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    Context-awareness through biased on-device image classifiers
    11.
    发明授权
    Context-awareness through biased on-device image classifiers 有权

    公开(公告)号：US10268886B2

    公开(公告)日：2019-04-23

    申请号：US14715555

    申请日：2015-05-18

    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC

    Inventor： Mohammed Shoaib ,  Jie Liu ,  Jin Li

    IPC: G06K9/00 ,  H04N1/00 ,  G06K9/46

    Abstract: Examples of the disclosure enable efficient processing of images. One or more features are extracted from a plurality of images. Based on the extracted features, the plurality of images are classified into a first set including a plurality of first images and a second set including a plurality of second images. One or more images of the plurality of first images are false positives. The plurality of first images and none of the plurality of second images are transmitted to a remote device. The remote device is configured to process one or more images including recognizing the extracted features, understanding the images, and/or generating one or more actionable items. Aspects of the disclosure facilitate conserving memory at a local device, reducing processor load or an amount of energy consumed at the local device, and/or reducing network bandwidth usage between the local device and the remote device.

    Smart pre-fetching for peer assisted on-demand media
    12.
    发明授权
    Smart pre-fetching for peer assisted on-demand media 有权

    公开(公告)号：US10218758B2

    公开(公告)日：2019-02-26

    申请号：US14460660

    申请日：2014-08-15

    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC

    Inventor： Jin Li ,  Cheng Huang ,  Keith W. Ross

    IPC: G06F13/00 ,  H04L29/06 ,  H04L12/925 ,  H04L12/927 ,  H04L29/08 ,  H04L12/911

    Abstract: A “Media Sharer” operates within peer-to-peer (P2P) networks to provide a dynamic peer-driven system for streaming high quality multimedia content, such as a video-on-demand (VoD) service, to participating peers while minimizing server bandwidth requirements. In general, the Media Sharer provides a peer-assisted framework wherein participating peers assist the server in delivering on-demand media content to other peers. Participating peers cooperate to provide at least the same quality media delivery service as a pure server-client media distribution. However, given this peer cooperation, many more peers can be served with relatively little increase in server bandwidth requirements. Further, each peer limits its assistance to redistributing only portions of the media content that it also receiving. Peer upload bandwidth for redistribution is determined as a function of surplus peer upload capacity and content need of neighboring peers, with earlier arriving peers uploading content to later arriving peers.

    Optimizing multi-class multimedia data classification using negative data
    13.
    发明授权
    Optimizing multi-class multimedia data classification using negative data 有权

    公开(公告)号：US09785866B2

    公开(公告)日：2017-10-10

    申请号：US14602524

    申请日：2015-01-22

    Applicant: Microsoft Technology Licensing, LLC.

    Inventor： Xian-Sheng Hua ,  Jin Li ,  Ishan Misra

    IPC: G06K9/00 ,  G06K9/66 ,  G06K9/62 ,  G06N99/00

    CPC classification number: G06K9/66 ,  G06K9/6218 ,  G06K9/6269 ,  G06K9/6284 ,  G06N99/005

    Abstract: Techniques for optimizing multi-class image classification by leveraging negative multimedia data items to train and update classifiers are described. The techniques describe accessing positive multimedia data items of a plurality of multimedia data items, extracting features from the positive multimedia data items, and training classifiers based at least in part on the features. The classifiers may include a plurality of model vectors each corresponding to one of the individual labels. The system may iteratively test the classifiers using positive multimedia data and negative multimedia data and may update one or more model vectors associated with the classifiers differently, depending on whether multimedia data items are positive or negative. Techniques for applying the classifiers to determine whether a new multimedia data item is associated with a topic based at least in part on comparing similarity values with corresponding statistics derived from classifier training are also described.

    Integrated data deduplication and encryption
    14.
    发明授权
    Integrated data deduplication and encryption 有权
    集成重复数据删除和加密

    公开(公告)号：US09495552B2

    公开(公告)日：2016-11-15

    申请号：US13731746

    申请日：2012-12-31

    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC

    Inventor： Ahmed Moustafa El-Shimi ,  Paul Adrian Oltean ,  Ran Kalach ,  Sudipta Sengupta ,  Jin Li ,  Roy D'Souza ,  Omkant Pandey ,  Ramarathnam Venkatesan

    IPC: H04L9/00 ,  G06F21/62 ,  H04L29/06

    CPC classification number: G06F21/6218 ,  G06F2221/2107 ,  H04L63/0428

    Abstract: The subject disclosure is directed towards encryption and deduplication integration between computing devices and a network resource. Files are partitioned into data blocks and deduplicated via removal of duplicate data blocks. Using multiple cryptographic keys, each data block is encrypted and stored at the network resource but can only be decrypted by an authorized user, such as domain entity having an appropriate deduplication domain-based cryptographic key. Another cryptographic key referred to as a content-derived cryptographic key ensures that duplicate data blocks encrypt to substantially equivalent encrypted data.

    Abstract translation: 主题公开涉及计算设备和网络资源之间的加密和重复数据删除集成。 文件被分割成数据块，并通过删除重复的数据块进行重复数据删除。 使用多个加密密钥，每个数据块被加密并存储在网络资源中，但是只能由授权用户（例如具有适当的重复数据删除域密码密钥的域实体）进行解密。 被称为内容导出加密密钥的另一密码密钥确保重复的数据块加密到基本相等的加密数据。

    Flash memory cache including for use with persistent key-value store
    17.
    发明授权
    Flash memory cache including for use with persistent key-value store 有权
    闪存缓存包括用于持久性键值存储

    公开(公告)号：US09436596B2

    公开(公告)日：2016-09-06

    申请号：US13919727

    申请日：2013-06-17

    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC

    Inventor： Sudipta Sengupta ,  Biplob Kumar Debnath ,  Jin Li

    IPC: G06F12/02 ,  G06F12/08 ,  G06F12/12 ,  G11C7/10

    CPC classification number: G06F12/0246 ,  G06F12/0866 ,  G06F12/0897 ,  G06F12/123 ,  G06F2212/222 ,  G11C7/1072

    Abstract: Described is using flash memory, RAM-based data structures and mechanisms to provide a flash store for caching data items (e.g., key-value pairs) in flash pages. A RAM-based index maps data items to flash pages, and a RAM-based write buffer maintains data items to be written to the flash store, e.g., when a full page can be written. A recycle mechanism makes used pages in the flash store available by destaging a data item to a hard disk or reinserting it into the write buffer, based on its access pattern. The flash store may be used in a data deduplication system, in which the data items comprise chunk-identifier, metadata pairs, in which each chunk-identifier corresponds to a hash of a chunk of data that indicates. The RAM and flash are accessed with the chunk-identifier (e.g., as a key) to determine whether a chunk is a new chunk or a duplicate.

    Abstract translation: 描述的是使用闪存，基于RAM的数据结构和机制来提供用于在闪存页中缓存数据项（例如键值对）的闪存。 基于RAM的索引将数据项映射到闪存页面，并且基于RAM的写入缓冲器保持要写入闪存存储器的数据项目，例如当可以写入全页时。 回收机制使得通过将数据项降级到硬盘或将其重新插入到写入缓冲器中，基于其访问模式，可用于闪存存储器中的使用页面。 闪存存储器可以用在数据重复数据删除系统中，其中数据项包括块标识符，元数据对，其中每个块标识符对应于指示的数据块的散列。 使用块标识符（例如，作为密钥）来访问RAM和闪存，以确定块是新的块还是重复的。

    USING INDEX PARTITIONING AND RECONCILIATION FOR DATA DEDUPLICATION
    18.
    发明申请
    USING INDEX PARTITIONING AND RECONCILIATION FOR DATA DEDUPLICATION 审中-公开
    使用索引分类和重新进行数据分类

    公开(公告)号：US20160012098A1

    公开(公告)日：2016-01-14

    申请号：US14797890

    申请日：2015-07-13

    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC

    Inventor： Jin Li ,  Sudipta Sengupta ,  Ran Kalach ,  Ronakkumar N. Desai ,  Paul Adrian Oltean ,  James Robert Benton

    IPC: G06F17/30

    CPC classification number: G06F17/30371 ,  G06F17/30156 ,  G06F17/30303 ,  G06F17/30327 ,  G06F17/3033 ,  G06F17/30489

    Abstract: The subject disclosure is directed towards a data deduplication technology in which a hash index service's index is partitioned into subspace indexes, with less than the entire hash index service's index cached to save memory. The subspace index is accessed to determine whether a data chunk already exists or needs to be indexed and stored. The index may be divided into subspaces based on criteria associated with the data to index, such as file type, data type, time of last usage, and so on. Also described is subspace reconciliation, in which duplicate entries in subspaces are detected so as to remove entries and chunks from the deduplication system. Subspace reconciliation may be performed at off-peak time, when more system resources are available, and may be interrupted if resources are needed. Subspaces to reconcile may be based on similarity, including via similarity of signatures that each compactly represents the subspace's hashes.

    Abstract translation: 本发明涉及一种数据重复数据删除技术，其中散列索引服务的索引被分割成子空间索引，其中小于整个散列索引服务的索引来缓存存储器。 访问子空间索引以确定数据块是否已经存在或需要进行索引和存储。 索引可以根据与索引的数据相关联的标准被划分为子空间，例如文件类型，数据类型，上次使用的时间等等。 还描述了子空间协调，其中检测子空间中的重复条目，以便从重复数据删除系统中删除条目和块。 当更多的系统资源可用时，子空间协调可以在非高峰时间执行，并且如果需要资源，则可能被中断。 调和的子空间可以基于相似性，包括通过每个紧密地表示子空间的散列的签名的相似性。

    Distributed data object management system
    19.
    发明授权
    Distributed data object management system 有权

    公开(公告)号：US11281534B2

    公开(公告)日：2022-03-22

    申请号：US16392487

    申请日：2019-04-23

    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC

    Inventor： Cheng Huang ,  Jin Li ,  Aaron William Ogus ,  Douglas W. Phillips ,  Yu Lin Chen ,  Shuai Mu ,  Jinyang Li

    IPC: G06F11/00 ,  G06F11/10 ,  G06F11/16 ,  G06F12/02 ,  H03M13/15 ,  H03M13/37 ,  G06F11/20 ,  G06F3/06

    Abstract: In various embodiments, methods and systems for implementing distributed data object management are provided. The distributed data object management system includes a distributed storage system having a local metadata-consensus information store in and one or more remote metadata-consensus information stores. A metadata-consensus information store is configured to store metadata-consensus information. The metadata-consensus information corresponds to erasure coded fragments of a data object and instruct on how to manage the erasure coded fragments. The distributed storage system further includes a local data store and one or more remote data stores for the erasure coded fragments. The distributed data object management system includes a distributed data object manager for operations including, interface operations, configuration operations, write operations, read operations, delete operations, garbage collection operations and failure recovery operations. The distributed data object management system is operates based on metadata paths and data paths, operating in parallel, for write operations and read operations.

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