International Business Machines Corporation

Google Inc.

James M Synge

Zhongli Ding

Michihiro Kuramochi

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for collecting and compiling information regarding search operations. In one aspect, a query log that stores search event data items for identifiers is accessed. A proper subset of the search event data items is identified, the proper subset of search event data items being search event data items for search events related to an image search. A proper subset of the identifiers is identified, the proper subset of identifiers being identifiers associated with a search event data item for a search event related to an image search. For each identifier of the proper subset of identifiers, an image search session data object is generated using the proper subset of search event data items.

Collecting image search event information

A computer method and system of caching. In a multi-threaded application, different threads execute respective transactions accessing a data store (e.g. database) from a single server. The method and system represent status of datastore transactions using respective certain (e.g. Future) parameters. Results of the said transactions are cached based on transaction status as represented by the certain parameters and on data store determination of a subject transaction. The caching employs a two stage commit and effectively forms a two level cache. One levels maps from datastore keys to entries in the cache. Each entry stores a respective last known commit value. The second level provides an optional mapping from a respective transaction as represented by the corresponding certain parameter to an updated value.

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Lexington, MA, United States of America

James M Synge