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Dropbox Inc patents


Recent patent applications related to Dropbox Inc. Dropbox Inc is listed as an Agent/Assignee. Note: Dropbox Inc may have other listings under different names/spellings. We're not affiliated with Dropbox Inc, we're just tracking patents.

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Generating and utilizing normalized scores for classifying digital objects

The present disclosure is directed toward systems and methods that enable more accurate digital object classification. In particular, disclosed systems and methods address inaccuracies in digital object classification introduced by variations in classification scores. Specifically, in one or more embodiments, disclosed systems and methods generate probability functions utilizing digital test... Dropbox Inc

Event-based image classification and scoring

Embodiments of the present invention analyze and score each image associated with a group to determine representative image or images for the group. Such analysis can include detecting objects shown in the images, determining the quality of the images, and/or contextually analyzing the images as a group. In some embodiments,... Dropbox Inc

Predictive caching and fetch priority

Predicting what content items a user finds important and sending those items to a cache on the user's device at times when doing so will not drain resources and will not result in expensive data rates. Applying a ranking function that examines recency and other content metadata associated with the... Dropbox Inc

Systems and methods for managing content items having multiple resolutions

Systems, methods, and non-transitory computer readable media for managing content items having multiple resolutions may be provided. In some embodiments, a user device may send a request to access one or more images from a content management system. The one or more images may be categorized on the user device... Dropbox Inc

System and acquiring virtual and augmented reality scenes by a user

A preferred method of acquiring virtual or augmented reality (VAR) scenes can include at a plurality of locations of interest, providing one or more users with a predetermined pattern for image acquisition with an image capture device and for each of the one or more users, in response to a... Dropbox Inc

Synchronizing edits to low- and high-resolution versions of digital videos

One or more embodiments of a video editing system enable one or more users to conveniently edit a digital video. In particular, an online content management system can provide a low resolution version of a digital video to a client device. A user can interact with the low resolution digital... Dropbox Inc

Detecting compromised credentials

Disclosed are systems, methods, and non-transitory computer-readable storage media for detecting compromised credentials. In some implementations, a content management system can receive information identifying compromised login credentials (e.g., account identifier, password, etc.) from a third party server. The login credentials can be represented by a first hash value generated using... Dropbox Inc

Out of box experience application api integration

Disclosed are systems, methods, and non-transitory computer-readable storage media for providing an original equipment manufacturer with application program interface (API) for registering an account and creating a custom uniform resource locator (URL) on a content management system, from which the out-of-box experience application can download and install a pre-authorized version... Dropbox Inc

Identifying accounts having shared credentials

Disclosed are systems, methods, and non-transitory computer-readable storage media for identifying accounts having shared credentials. In some implementations, a content management system can collect user login context data when a user logs in to or accesses a user account of the content management system. For example, the content management system... Dropbox Inc

Interface description language for application programming interfaces

An application programming interface (API) analysis engine can validate and parse an API specification. It can determine if the API specification (or portion thereof) contains major or minor changes from a previous version of the API specification. The analysis engine can create an intermediate representation of the API. Using the... Dropbox Inc

Content preview including sharable information

A user of a content management system can store one or more content items at the user's account with the system. In some instances, the system can generate and present a preview of a content item of interest (e.g., a content item selected by the user). In addition to the... Dropbox Inc

Implementing a consistent ordering of operations in collaborative editing of shared content items

Systems, methods, and computer-readable storage media for ordering editing operations in collaborative editing of shared content items. The content management system can receive an edit operation from a first client for a content item that is shared for collaborative editing between the first client and a second client. In response... Dropbox Inc

Providing a content preview

A content preview of a content item stored in an online storage system can be viewed on a client device without the content item itself being downloaded to the client device and without the use of software associated with the content item being installed on the client device. Furthermore, data... Dropbox Inc

Scanning content items based on user activity

In some embodiments, a content management system can initiate a scan of a content item when the content management system detects that activity associated with the content item triggers a scan policy. In some embodiments, a content management system can initiate a scan of a user's account when the content... Dropbox Inc

Facilitating access to content from group interactions

The disclosed embodiments provide a system that facilitates access to content. During operation, the system detects uploading of the content within a group interaction among a set of users. Next, the system aggregates the content into a centralized location. Finally, the system enables access to the content at the centralized... Dropbox Inc

Messaging client application interface

A user interface for a messaging client application can include a message list. By executing various input operations on a representation of a message in the message list, the user can take an action on the message. For example, a user operating a pointing device can perform a drag operation... Dropbox Inc

Network folder resynchronization

Resynchronization of folders shared among multiple client devices over a network is provided. Metadata and hash values stored on the client device are moved from a metadata database to a resynchronization database, and the data in the metadata database is deleted. Metadata is created for locally stored synchronized files. For... Dropbox Inc

Storage constrained synchronization engine

A content management system synchronizes content items across client computing systems connected by a network. If a storage allocation for shared content items on a client device is exceeded by the request to add or edit a content item such that it is enlarged, a client application or the host... Dropbox Inc

Storage constrained synchronization engine

A client application of a content management system provides instructions for synchronizing content items and placeholder items using a local file journal and updated file journal. The client application compares entries in the updated file journal to entries in the local file journal to determine modifications to make to content... Dropbox Inc

Storage constrained synchronization engine

A client application of a content management system provides instructions for synchronizing content items and placeholder items using a local file journal and updated file journal. The client application compares entries in the updated file journal to entries in the local file journal to determine modifications to make to content... Dropbox Inc

Systems and methods for downloading files

Systems according to various embodiments use a file download widget to facilitate the download of one or more files from one or more servers associated with a website. In particular embodiments, the file download widget may be used to facilitate the download of one or more particular files that are... Dropbox Inc

Activation of dynamic filter generation for message management systems through gesture-based input

Generation of filtering rules for incoming messages can be activated by a user through a gesture-based input. When the user activates filtering rule generation, the message management service can cause a user device to display a prompt requesting additional data to be used to generate the filtering rule. The gesture... Dropbox Inc

System and organizing messages

A system and method for sorting messages within an interface including providing a navigational menu with at least three menu options of at least three message collections, the menu options ordered according to an ordered horizontal virtual arrangement of a set of message collections; upon receiving user selection of one... Dropbox Inc

Providing a hybrid application

Disclosed are systems, methods, and non-transitory computer-readable storage media for providing a hybrid web application. In some implementations, a computing device can be configured with a hybrid application that includes a native layer and a web view. The native layer can provide access to native features of the computing device... Dropbox Inc

Providing access to a hybrid application offline

Disclosed are systems, methods, and non-transitory computer-readable storage media for providing access to a hybrid web application offline. In some implementations, a computing device can be configured with a hybrid application that includes a native layer and a web view. The native layer can provide access to native features of... Dropbox Inc

Automatically updating a hybrid application

Disclosed are systems, methods, and non-transitory computer-readable storage media for automatically updating a hybrid web application. In some implementations, a computing device can be configured with a hybrid application that includes a native layer and a web view. The native layer can provide access to native features of the computing... Dropbox Inc

Embedding dynamic content item preview

A content management system including a document management system provides documents that include previews of folders in the content management system. The folder preview interface saved in the document is persistent despite changes to the folders stored by the content management system. In addition, previews of individual content items displayed... Dropbox Inc

Animating edits to documents

A notes system is presented with a content management system. The notes system manages creation and distribution of edits to notes to users sharing the notes. The notes are stored as a series of edits at the notes system. When an edit to a note is received, the edit is... Dropbox Inc

Comment management in shared documents

A content management system including a document management system provides documents that include comments entered by users. Comments are organized into threads; each thread is associated with a span of text in the document. When a user requests access to a document, the document management system determines which threads are... Dropbox Inc

Suggesting content items to be accessed by a user

The disclosed embodiments provide a system that facilitates searching an online content management system for content items associated with a user. During operation, the system receives a call from a client application at a search interface in the online content management system, wherein the client application is operating on behalf... Dropbox Inc

Multi-user search system with methodology for bypassing instant indexing

Multi-user computer search system with methodology for bypassing instant indexing of documents. In some embodiments, for example, a system for bypassing instant indexing includes a token store storing a set of token for a current version of a document and a tokenizer server configured to tokenize a new version of... Dropbox Inc

Fingerprint gestures

User authentication for a user device can leverage one or more fingerprint sensor regions capable of detecting and/or recognizing a user's fingerprints. The user can define a fingerprint gesture or sequence of fingerprint gestures as a passcode, with access to a protected function being conditional on the user performing the... Dropbox Inc

Retroactive shared content item links

A content management system implementing methodologies providing retroactive shared content item links is disclosed. The content management system and methodologies allow a team administrator of a team to configure a team-wide shared link policy that determines whether non-team members can access content items associated with team accounts using shared links... Dropbox Inc

Migrating shared content items between accounts

Shared content items are migrated between accounts on a content management system. Users store content items synchronized between one or more client devices and the content management system. A user may have multiple accounts including personal and organization accounts. Content items may be shared with accounts belonging to other users... Dropbox Inc

Collection folder for collecting file submissions via a customizable file request

A content management system for collecting files from one or more submitters in a collection folder. A collector, who generates the collection folder, can invite one or more submitters to submit one or more files to the collection folder via a customizable file request. The one or more submitters have... Dropbox Inc

10/05/17 / #20170285928

Shared folder backed integrated workspaces

Disclosed are systems, methods, and non-transitory computer-readable storage media for shared folder backed integrated workspaces. In some implementations, a content management system can provide a graphical user interface (GUI) that integrates communications and content management into a single user interface. The user interface can include mechanisms that allow a user... Dropbox Inc

10/05/17 / #20170286415

Intelligently identifying and presenting digital documents

One or more embodiments of a document organization system quickly and conveniently provide digital documents to a user on a client device based on a physical object. In particular, the document organization system can receive an image of a physical document and an identifier from a first client device, identify... Dropbox Inc

10/05/17 / #20170289210

Change comments for synchronized content items

Described embodiments enable device users sharing content items via a content management system to view and modify content items within native applications on their client devices. In various embodiments, a client application detects a save operation on a content item and prompts a user to provide a comment based on... Dropbox Inc

09/28/17 / #20170279702

System and automated issue remediation for information technology infrastructure

A system and method for extensible, protective, and verifiable automated issue remediation for information technology infrastructure comprises invoking an application programming interface to obtain at least one issue object corresponding to an alert generated by a monitoring system; matching the issue object to at least one diagnosis plugin of a... Dropbox Inc

09/21/17 / #20170270322

Techniques for recovering missing devices

Techniques are provided for assisting owners to recover missing devices. The missing device automatically performs certain actions proactively in response to detecting conditions that indicate that the device has been lost or stolen. Conditions that indicate the device has been lost or stolen (“triggering conditions”) may include that a password... Dropbox Inc

09/14/17 / #20170262186

Reconstructing in-memory indices in a distributed data storage system

Reconstructing in-memory data block indices in a distributed data storage system where data blocks are stored in extents and the extents are replicated across storage devices. In one aspect, based on a reboot of a storage device and a copy of an extent stored in the storage device being in... Dropbox Inc

09/14/17 / #20170264699

Recommendations for shareble links to content items stored in an online content management service

Recommendations for shareable links to content items stored in an online content management service. In one aspect, a recommendation is sent to a first user to create and share a shareable link to a content item with a second user. The content item to share via a shareable link is... Dropbox Inc

09/07/17 / #20170255687

Content item block replication protocol for multi-premises hosting of digital content items

A content item block replication protocol for multi-premises hosting of digital content items. In one embodiment, for example, a method comprises: receiving, from a server, a server journal entry identifying one or more content item blocks of a content item represented by the server journal entry; storing a replication log... Dropbox Inc

09/07/17 / #20170255761

Monitored shareable links to content items stored in an online content management service

Monitored shareable links to content items in an online content management service. In one aspect, based on determining that a first view metric associated with a shareable link to a content item is above a first activity threshold associated with the shareable link, a first action is taken on the... Dropbox Inc

09/07/17 / #20170257405

Real time collaboration and document editing by multiple participants in a content management system

A content management system allows users to collaboratively edit, draft, or otherwise work with the same content item simultaneously by displaying a real-time data stream of a native application displaying a content item on a host device in a screen sharing window of a webpage. The screen sharing window is... Dropbox Inc

08/31/17 / #20170250940

Custom share sheet with shortcut controls to share a content item

Techniques are described herein to generate a custom share sheet. The custom share sheet comprises one or more shortcut controls to share a content item using one or more corresponding contact-avenue pairs. A contact-avenue pair includes a link sharing mechanism and contact information for one or more recipients within the... Dropbox Inc

08/31/17 / #20170250969

Techniques for invite enforcement and domain capture

Techniques for invite enforcement and domain capture. In one embodiment, for example, a method performed in an online service computing environment comprises the operations of: storing, in a database, an association between a team of one or more user accounts and a domain name service domain; receiving a request to... Dropbox Inc

08/24/17 / #20170244675

Coerced encryption on connected devices

Techniques for coercing users to encrypt synchronized content stored at their personal computing devices. In some aspects, one or more computing devices receive, from a personal computing device, an indication of whether data stored in at least a portion of a storage device of the personal computing device is protected... Dropbox Inc

08/03/17 / #20170222865

Apparent cloud access for hosted content items

Techniques for apparent cloud access of a hosted content item. In one embodiment, for example, a method performed at a personal computing device comprising a user agent comprises: receiving a block agent request for a content item from the user agent; determining content item block identifiers of content item blocks... Dropbox Inc

07/27/17 / #20170214668

Advanced security protocol for broadcasting and synchronizing shared folders over local area network

A method, system, and manufacture for securely broadcasting shared folders from one client device to other client devices and synchronizing the shared folders over a local area network. A first client device, associated with a content management system, generates a secure identifier for a shared folder, using a shared secret... Dropbox Inc

07/20/17 / #20170206586

Dynamically customizing user quotas

An online content management system determines a new account configuration to offer to a user, including the price and/or size of a user's quota of storage space in an account on the online content management system, based on usage characteristics of the account. An account management module tracks account usage.... Dropbox Inc

07/13/17 / #20170199635

Bookmarking shared file and folder links

A document management system that is adapted to allow users to share files or folders by: (1) creating a link to the files or folders; and (2) sharing the link with other users. In particular embodiments, the system is adapted to keep track of any links generated by, sent by,... Dropbox Inc

07/13/17 / #20170199861

Techniques for providing user interface enhancements for spreadsheets and tables

A system and method for providing user enhancements for spreadsheets and tables. In one implementation, the system detects a semantic organization event related to one or more data cells in a content-view of the spreadsheet or table. The system determines whether semantic organization data should be stored for the one... Dropbox Inc

07/06/17 / #20170192656

Native application collaboration

A client device displays a content item in a window associated with a process on the device. A client application monitors the process for the content item and determines whether the content item is synchronized with a client device or content management system. When the content item is not synchronized,... Dropbox Inc

07/06/17 / #20170192764

Automated application installation

An example computer implemented method to automatically download and install a second application can include a first application detecting that a condition has occurred. This first application can be preinstalled by the original equipment manufacturer. The first application can then present an interface for signing in to or signing up... Dropbox Inc

07/06/17 / #20170192856

Techniques for providing user interface enhancements for online content management system version histories

A system and method for displaying an enhanced version history user interface for an online content management system. In one embodiment, a version history user interface includes version history entries that represent primary events and anchor events. In another embodiment, a preview version history user interface is displayed that allows... Dropbox Inc

07/06/17 / #20170192988

On-device indexing of hosted content items

Techniques on on-device indexing of hosted content items are described. In one embodiment, for example, a method is performed at a portable electronic device. The method includes the device performing the operations of: detecting an indexing event within a content management application; determining a content item, hosted with a content... Dropbox Inc

07/06/17 / #20170193001

Control transfer of shared content

An example computer implemented method to manage and transfer access to a synchronized content item across multiple users includes displaying a local version of the content item in an application window of a first application. The local version of the content item can be associated with a cloud version of... Dropbox Inc

07/06/17 / #20170193039

Servicing queries of an event log

Disclosed are systems and methods of querying an event log of a user. The systems and methods can include receiving a search request pertaining to at least a first namespace of a plurality of namespaces and determining a first index server storing a first portion of the event log associated... Dropbox Inc

07/06/17 / #20170193040

Servicing queries of an event index

Disclosed are systems and methods of querying a hybrid event index of a user. The systems and methods can include receiving a search request pertaining to at least a first namespace of a plurality of namespaces and determining a first index server storing a first portion of the hybrid event... Dropbox Inc

07/06/17 / #20170193069

Propagating computable dependencies within synchronized content items between first and third-party applications

A content management system synchronizes content items across client computing systems connected by a network. The content management system provides a first party web application to the user. The first party application receives input from the user to create a dependency on another piece of information on a content item... Dropbox Inc

07/06/17 / #20170193201

Automatic notifications for inadvertent file events

A content management system can detect file events that are suspected to be in error, and notify users having access to files affected by the detected file events of the detected events. The content management system can maintain a log of file events including a plurality of file identifiers. The... Dropbox Inc

07/06/17 / #20170193337

Generating and utilizing normalized scores for classifying digital objects

The present disclosure is directed toward systems and methods that enable more accurate digital object classification. In particular, disclosed systems and methods address inaccuracies in digital object classification introduced by variations in classification scores. Specifically, in one or more embodiments, disclosed systems and methods generate probability functions utilizing digital test... Dropbox Inc

07/06/17 / #20170193447

Discoverable collaboration teams

Disclosed are systems, methods, and non-transitory computer-readable storage media for implementing discoverable collaboration teams. In some embodiments, a user of a content management system can create a team account within the content management system. The team account can be associated with a domain of the user (now administrator) of the... Dropbox Inc

07/06/17 / #20170193448

Mixed collaboration teams

Disclosed are systems, methods, and non-transitory computer-readable storage media for implementing mixed collaboration teams. In some embodiments, a user of a content management system can create a team account within the content management system. The team account can be allocated resources of the content management system that allow team members... Dropbox Inc

Patent Packs
07/06/17 / #20170193709

Dynamically displaying multiple virtual and augmented reality views on a single display

One variation of a method for dynamically displaying multiple virtual and augmented reality scenes on a single display includes determining a set of global transform parameters from a combination of user-defined inputs, user-measured inputs, and device orientation and position derived from sensor inputs; calculating a projection from a configurable function... Dropbox Inc

07/06/17 / #20170193835

Releasing assignments to students

A computer implemented method for distributing, collecting, monitoring and releasing assignments by a content management system. The method includes distributing file requests for assignments to students. Each file request includes one or more metadata tags. Students submit assignments in response to the file requests with the assignments being stored and... Dropbox Inc

07/06/17 / #20170193848

Assignments for classrooms

A computer implemented method for distributing, collecting and monitoring assignments by a content management system. The method includes receiving a request for a file request from a teacher to distribute an assignment to one or more students. In response to receiving the request, the teacher is prompted for information associated... Dropbox Inc

07/06/17 / #20170195381

User notifications for interaction information

A content management system creates and modifies user notification queues for shared content items synchronized between a content management system and multiple devices. A user notification queue includes interactions with a shared content item that may be presented to a user to indicate recent interactions with the shared content item... Dropbox Inc

07/06/17 / #20170195402

Sharing a content item

A content item on a content management system can be shared using a generated sharing link. The sharing link can be a custom network address, such as a uniform resource locator (URL), which allows the content item to be accessed without authentication. The sharing index and a content path of... Dropbox Inc

07/06/17 / #20170195416

Randomized peer-to-peer synchronization of shared content items

A content management system synchronizes content items across client computing systems connected by a network. Client devices connected to peer devices on a LAN utilize peer-to-peer synchronization to synchronize content items. Client devices on the LAN broadcast namespaces synchronized on the client devices with other devices on the LAN. Client... Dropbox Inc

06/29/17 / #20170185626

Embedded folder views

Disclosed are systems, methods, and non-transitory computer-readable storage media for providing an embedded web view of a folder in a content management system on a web page. For example, a user can request from a content management system code for embedding a web view of a content item or group... Dropbox Inc

06/29/17 / #20170185641

Systems and methods of re-associating content items

Disclosed are systems, methods, and non-transitory computer-readable storage media for re-associating content items of a user account of a content management system on a computing device relinked to the content management system. The systems, methods, and non-transitory computer-readable storage media can include the content management system receiving a request to... Dropbox Inc

06/29/17 / #20170185687

Content item activity feed for presenting events associated with content items

A content management system aggregates and provides users' interaction with a content item for display in an activity feed. Events corresponding to the users' interaction with the content item are provided in conjunction with a user interface of a native application displaying the content item. Though provided in conjunction with... Dropbox Inc

06/29/17 / #20170185753

View-based expiration of shared content

Techniques related to view-based expiration of shared content are described. An online content management system receives a view access request from a client device. The view access request includes a shared link to a server-stored content item. A view access counter associated with the shared link is used to determine... Dropbox Inc

06/29/17 / #20170187671

Managing drafts of electronic documents across client devices

Techniques are described for managing drafts of an electronic document (e.g., an electronic note, an electronic message, an electronic calendar invitation, and/or other types of electronic documents) between client devices. Such an electronic document can be composed using different clients, such that composing the document can be continued using different... Dropbox Inc

06/29/17 / #20170187720

Sharing files based on recipient-location criteria

Techniques are provided for enabling server-based file sharing that supports recipient-location criteria. Specifically, users that desire to share files are able to include recipient-location criteria in the sharing criteria for the files that the users provide for sharing. Before sharing a file that is associated with recipient-location criteria, the file... Dropbox Inc

06/22/17 / #20170177194

Link file sharing and synchronization

A content management system can receive, from a client device, a link including an address to a network resource. The content management system can then store a link file including the link, and provide the link file on a first page of a website. Next, in response to an input... Dropbox Inc

06/22/17 / #20170177445

Network folder resynchronization

Resynchronization of folders shared among multiple client devices over a network is provided. Metadata and hash values stored on the client device are moved from a metadata database to a resynchronization database, and the data in the metadata database is deleted. Metadata is created for locally stored synchronized files. For... Dropbox Inc

06/22/17 / #20170177688

Managing content across discrete systems

Disclosed are systems, methods, and non-transitory computer-readable storage media for managing content across discrete systems. A content management system can be implemented to manage content items and synchronize content items across devices. A content collaboration system can be implemented to generate documents and facilitate collaboration on documents. To take advantage... Dropbox Inc

Patent Packs
06/22/17 / #20170178299

Enhancing a digital image

One or more embodiments of an image enhancement system enable a computing device to generate an enhanced digital image. In particular, a computing device can enhance a digital image including, for example, a photograph of a whiteboard, document, chalkboard, or other object having a uniform background. The computing device can... Dropbox Inc

06/22/17 / #20170178368

Integrated data exploration, modeling and visualization

Techniques are provided for data exploration. An application is provided for execution on a client computer to display a plurality of data fields associated with one or more data sources, receive user input specifying a set of one or more graph parameters based on one or more selected data fields,... Dropbox Inc

06/22/17 / #20170180285

Import content items from email

An example computer-implemented method to download and organize attachments from messages includes downloading a message attachment and related message metadata from a messaging database such as an email attachment. The example computer-implemented method can then include indexing the message attachment using the message metadata. The example method can then include... Dropbox Inc

06/15/17 / #20170168856

Sending feature-instruction notifications to user computing devices

A system and method for sending feature-instruction notifications to user computing devices. In one implementation, an online content management system detects a feature-instruction triggering event. If the user that caused the feature-instruction triggering event did not use a feature system of the online content management system, a feature-instruction notification may... Dropbox Inc

06/08/17 / #20170160904

Sharing a template file

A method for sharing one file with many. To share a file, a template sharer selects a file in a shared folder to share as a template file and enters a template share command. In response to the entered command, a template file identifier is encoded and an email message... Dropbox Inc

05/25/17 / #20170149885

Server-side selective synchronization

A content management system can maintain the entirety of a user account's content library. As a default behavior, updates made to the content library when accessed from any client device authorized by the user account, including adding, modifying, and/or deleting content items, can be synchronized across all other authorized client... Dropbox Inc

05/18/17 / #20170139971

Graph-based data models for partitioned data

A method and system for managing access to data. A plurality of data items is stored across a plurality of partitions according to a graph-based data model. The data model associates each data item with an identifier of a source entity pertaining to the data item, an identifier of a... Dropbox Inc

05/11/17 / #20170134352

System and non-replayable communication sessions

Systems, methods, and non-transitory computer-readable storage media for a non-replayable communication system are disclosed. A first device associated with a first user may have a public identity key and a corresponding private identity. The first device may register the first user with an authenticator by posting the public identity key... Dropbox Inc

05/11/17 / #20170132428

Requesting modification rights to a linked file set

A computer implemented system and method of sharing files between a link sharer and a link recipient over a network. The method comprises generating, in response to a request by a link sharer, a file sharing link to a file set, where the link does not provide a link recipient... Dropbox Inc

05/11/17 / #20170134371

Toggle between accounts

Techniques are described for enabling administrators of teams that use a particular service to specify which sign-on options, of multiple possible sign-on options, are assigned to the members of the teams to which the administrators belong. For example, an administrator may assign a first sign-on option, which only allows users... Dropbox Inc

05/04/17 / #20170123982

Providing a dynamic digital content cache

One or more embodiments of a thumbnail caching system dynamically provide a thumbnail cache of digital content items (e.g., photos, videos, audio) to a user on a client device. In particular, the thumbnail caching system provides a thumbnail cache of a digital content collection to a client device such that... Dropbox Inc

05/04/17 / #20170124170

Synchronization protocol for multi-premises hosting of digital content items

A synchronization protocol for multi-premises hosting of digital content items. In one embodiment, for example, a method comprises the operations of: detecting creation or modification of a content item; determining a content item namespace to which the content item belongs; obtaining a plurality of identifiers of a plurality of block... Dropbox Inc

05/04/17 / #20170124212

Location-independent links to content at online content management systems

The disclosed embodiments provide a system that facilitates access to content. During operation, the system tracks a content item at an online content management system using an identifier for the content item. Next, the system uses the identifier to provide a link to the content item, wherein the link enables... Dropbox Inc

05/04/17 / #20170126782

Synchronization protocol for multi-premises hosting of digital content items

A synchronization protocol for multi-premises hosting of digital content items. In one embodiments, for example, a method, comprising: detecting creation or modification of a content item; determining a content item namespace to which the content item belongs; obtaining an identifier of a block server to which the content item namespace... Dropbox Inc

05/04/17 / #20170126799

Namespace translation

An example computer-implemented method to translate a namespace includes receiving a first synchronization request associated with a first content item. This first synchronization request can include a first content item path and come from a client device. The example method can then include determining that a portion of the first... Dropbox Inc

05/04/17 / #20170126800

Content item block replication protocol for multi-premises hosting of digital content items

A content item block replication protocol for multi-premises hosting of digital content items. In one embodiment, for example, a method comprises: receiving, from a server, a server journal entry identifying one or more content item blocks of a content item represented by the server journal entry; storing a replication task... Dropbox Inc

05/04/17 / #20170126802

Peer-to-peer synchronization protocol for multi-premises hosting of digital content items

A peer-to-peer synchronization protocol for multi-premises hosting of digital content items. In one embodiment, for example, a method comprises the operations of: receiving, from a peer computing device, a peer download advertisement comprising an identifier of a content item namespace in association with a peer client journal cursor value; receiving,... Dropbox Inc

04/27/17 / #20170116301

Managing distributed deletes in a replicated storage system

A data storage system includes multiple storage zones that store replicated copies of data items. Upon receiving a delete operation at a particular time to delete a data item, the system computes a maximum last update time based on the particular time and a minimum data item lifetime. Based on... Dropbox Inc

04/20/17 / #20170109370

Selective downloading of shared content items in a constrained synchronization system

A content management system synchronizes content items across client computing systems connected by a network. If a storage allocation for shared content items on a client device is exceeded by the request to add or edit a content item such that it is enlarged, a client application or the host... Dropbox Inc

04/13/17 / #20170102852

Sharing a file with a single contact

A content management system rendering a file sharing GUI on a first device which is communicatively coupled to a content management system and associated with a first user having an account with the content management system. A file to be shared with a second user is identified in response to... Dropbox Inc

04/13/17 / #20170103045

Modifying native document comments in a preview

A document preview system provides previews of a native document to client devices. The previews include comments associated with native objects in the native document. The document preview system identifies bounding areas in the preview associated with the native objects, which may be identified by the rendering markers applied to... Dropbox Inc

04/13/17 / #20170104743

Authenticated server views

An example computer implemented method to create an authenticated server view includes sending a client secret to an online-synchronized content management system and receiving an authentication key. The example method can then include generating a server view of the online-synchronized content management system using instantiation data. The instantiation data can... Dropbox Inc








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