Abstract: A method and apparatus for symbol-space based compression of patterns are provided. The method comprises generating an output sequence responsive of an input sequence, the input sequence being of a first length and includes a plurality of symbols, by extraction of all common patterns, wherein a common pattern includes at least two symbols and the output sequence is of a second length that is shorter than the first length; and storing in a memory the output sequence as a data layer.

Abstract: A method and system for searching for content items of an interest to a user are provided. The method includes receiving a request including at least one multimedia content element from a user device associated with the user; identifying at least one identifier related to the user device; generating at least one signature for the at least one multimedia content element; searching for at least one concept matching the at least one generated signature; searching for content items based on the at least one matching concept and the at least one identifier, wherein each content item found through the search is related to at least a product of interest to the user; and providing the content items to the user device.

Abstract: A method and system for identifying social trends are provided. The method includes collecting multimedia content from a plurality of data sources; gathering environmental variables related to the collected multimedia content; extracting visual elements from the collected multimedia content; generating at least one signature for each extracted visual element; generating at least one cluster of visual elements by clustering at least similar signatures generated for the extracted visual elements; correlating environmental variables related to visual elements in the at least one cluster; determining at least one social trend by associating the correlated environmental variables with the at least one cluster.

Abstract: A method and system for searching for multimedia content elements respective of a textual query are provided. The method includes receiving at least one textual query from a web browser; identifying at least one concept matching the at least one textual query; searching for at least one multimedia content element respective of the matching concept; and causing a display of the at least one multimedia content element on the web browser upon determination of a match.

Abstract: A method and system for adding advertising content to multimedia content elements. The method comprises receiving a request from a user device to identify a multimedia content element, the request including the multimedia content element; generating at least one signature respective of the multimedia content element; identifying at least one concept matching the at least one signature; determining at least one identifier associated with the multimedia content element respective of the at least one matching concept; searching a database to identify at least one advertising content item associated with the at least one identifier; and sending the at least one advertising content item together with the at least one identifier upon determination that the at least one advertising content item is associated with the at least one identifier.

Abstract: A method and system for determining current preferences of a user of a user device respective of a metadata to a user device are provided. The method includes receiving at least one input multimedia content element from the user device; receiving at least one query; generating at least one signature respective of the at least one input multimedia content element; searching a storage unit for a multimedia content element matching the at least one input multimedia content element, wherein the matching is performed respective of the at least one generated signature and the at least one query; retrieving metadata associated with the matching multimedia content element, wherein the metadata implies the current preferences of the user; and displaying the metadata on a display of the user device.

Abstract: A method for matching an advertisement item to a multimedia content element. The method comprises extracting at least one multimedia content element from a web-page requested for display on a user node; generating a signature of the at least one multimedia content element; searching for at least one advertisement item respective of the signature; and causing the display of the at least one advertisement item within a display area of the web-page.

Abstract: A method and system for caching concept structures in a cache memory of a user computing device are provided. The method includes collecting at least one environmental variable related to a user of the computing device; retrieving at least one concept structure matching the at least one received environmental variable, each concept structure comprises a concept metadata associated with a plurality of multimedia content elements; and caching the at least one matching concept structure in the cache memory.

Abstract: A system and method for identifying multimedia content elements are presented. The method includes generating a signature for an unknown multimedia content element (MMCE), wherein the unknown MMCE is a portion of a multimedia content item; comparing a signature of the unknown MMCE to a signature cluster of at least one concept to determine whether each of the at least one concepts is proximate to the unknown MMCE; for each proximate concept, determining a probability that the at least one proximate concept identifies the unknown MMCE; and identifying the MMCE based on the determined probabilities of the at least one proximate concept.

Abstract: A method and system for signature-based unsupervised clustering of data elements. The method comprises receiving a plurality of clusters; generating a triangular matrix respective of the clusters; generating a signature for each of the clusters; generating a match score between each of two different clusters; storing the match score in a cell of the triangular matrix corresponding to the two clusters; determining whether any of the match scores is above a predefined threshold value; clustering every two clusters that are determined to have a score above a predetermined threshold; and repeating the generation of a triangular matrix respective of the clusters until a single cluster is reached. The system comprises an interface; a processor; a memory for storing at least one cluster; and a memory coupled to the processor, the memory containing instructions that, when executed by the processor, configure the system to perform the steps of the method.

Abstract: A method and system for overlaying content items over multimedia content elements are provided. The method includes receiving a request to overlay at least one content item over at least one portion of a multimedia content element from a first user device; receiving permissions data for viewing the at least one content item from the first user device; overlaying the at least one content item over the at least one portion of the multimedia content element to produce an overlaid multimedia content element; storing the overlaid multimedia content element with the respective permissions data in a storage; receiving a request from a second user device to provide the stored overlaid multimedia content element; checking that the second user device is authorized to display the stored overlaid multimedia content element based on the permissions data; and providing the respective overlaid multimedia content element if the first user device is authorized.

Abstract: A system and method for recognizing characters embedded in multimedia content are provided. The method includes extracting at least one image of at least one character from a received multimedia content item; identifying a natural language character corresponding to the at least one image of the at least one character, wherein the identification is performed by a deep content classification (DCC) system; and storing the identified natural language character in a data warehouse.

Abstract: A method and system for identifying a correct orientation of a multimedia content item are presented. The method includes receiving from a user device the multimedia content item; identifying at least one object shown in the multimedia content item; generating by a signature generator system (SGS) at least one signature for the at least one object shown in the multimedia content item; querying, using the at least one generated signature, a deep-content-classification (DCC) system to find at least one concept that matches the at least one object, wherein the querying of the DCC system is performed using the at least one signature generated for each object shown in the multimedia content item; determining a correct orientation of the at least one matching concept; and comparing an orientation of the at least one object to the determined correct orientation to determine if the at least one object is correctly oriented.

Abstract: A system and method for generating a concept database respective of a plurality of multimedia data elements (MMDEs). The method comprises: generating a plurality of items from a received MMDE of the plurality of MMDEs; determining the items that are of interest for signature generation; generating at least one signature responsive to at least one item of interest of the received MMDE; clustering a plurality of signatures received from the signature generator responsive of the plurality of MMDEs; reducing the number of signatures in each cluster to a create a signature reduced cluster (SRC) of the cluster; associating metadata with the SRC to a concept structure comprised of a plurality of SRCs and their associated metadata; and generating at least one index for mapping the received MMDE to at least one concept structure, wherein the concept database includes concept structures and the generated indices for the plurality of MMDEs.

Abstract: A method for determining a pupillary response to a multimedia data element viewed through a user computing device. The method comprises receiving a first image of a viewer's pupil captured prior to display of the MMDE over the user computing device; receiving a second image of a viewer's pupil captured after the display of the MMDE over the user computing device; determining, using the first image and the second image, if the viewer's pupil has been dilated; querying a deep-content-classification system to find a match between at least one concept structure and the at least second image of the user's pupil; upon identification of at least one matching concept, receiving a first set of metadata related to the at least one matching concept structure; determining the viewer's attention to the displayed MMDE respective of the first set of metadata; associating the at least one MMDE with the determined user attention.

Abstract: A method and system for generating signatures for three-dimensional multimedia data elements.

Abstract: A system and method for generating an advertisement effectiveness performance score of a multimedia content element displayed in a webpage are provided.

Abstract: A method and system for generating a large-scale database of heterogeneous speech are provided.

Abstract: A system and method for generating personalized channels of multimedia content are presented. The method comprises receiving a captured multimedia content from a user; generating a signature based on the captured multimedia content; searching for additional multimedia content that match the captured multimedia content based on the generated signature and at least one compared signature, wherein each compared signature of the at least one compared signature is associated with an additional multimedia content; and generating a personalized channel to be displayed on a web-browser of a user device, wherein the personalized channel comprises the captured multimedia content and at least one multimedia content of the additional multimedia content.

Abstract: A method and system for determining at least a size dimension of objects shown in multimedia content items are presented. The method includes receiving an input multimedia content item; identifying objects shown in the multimedia content item; generating at least a first signature for at least a first object of the plurality of objects and at least a second signature for at least a second object; identifying at least one concept that matches the at least a first object; determining an actual size of the first object respective of the match to the at least one concept; determining a size scale between the first object and the second object using the at least a first signature and the at least a second signature; and determining the at least size dimension of the second object respective of the size scale and the actual size of the first object.