Abstract: Methods, indexing systems, computer program, computer program product for indexing and searching content are disclosed. For example, in one embodiment a method performed by an indexing system (104) for indexing or updating an index (106) for content is disclosed. The method includes for each one of a plurality of keywords (204) in a data storage system (1206), wherein each keyword is associated with a modality (206) and at least a first time stamp (208): retrieving (1002) from the data storage system a keyword (204a) and its associated first time stamp (208a); defining a time range for the keyword; determining which other keywords (214a) in the data storage system are associated with a time stamp within the time range; and updating the index with said other keywords that were determined to be associated with a time stamp within the time range.

Abstract: A proxy, an indexing server and methods performed thereby are provided for supporting indexing of audio visual content. According to the method performed by the proxy, a plurality of service requests related to audio visual content are received. The requests originate from a number of devices. Further, a set of most frequently requested audio visual content is identified, based on the plurality of service request. The method further comprises indicating the set of audio visual content to an indexing server. Performing of the method enables the indexing server to prioritize among audio visual content, e.g. to determine an or of indexing of audio visual content.

Abstract: Methods, indexing systems, computer program, computer program product for indexing and searching content are disclosed. For example, in one embodiment a method performed by an indexing system (104) for indexing or updating an index (106) for content is disclosed. The method includes for each one of a plurality of keywords (204) in a data storage system (1206), wherein each keyword is associated with a modality (206) and at least a first time stamp (208): retrieving (1002) from the data storage system a keyword (204a) and its associated first time stamp (208a); defining a time range for the keyword; determining which other keywords (214a) in the data storage system are associated with a time stamp within the time range; and updating the index with said other keywords that were determined to be associated with a time stamp within the time range.

Abstract: This disclosure relates to an apparatus, method and computer program product for ranking data objects. The method includes receiving an indication that a second user has performed an action included in a defined set of actions with respect to a data object uploaded by a first user. The method further includes: (a) calculating a rank for the first user; (b) calculating a rank for the second user; (c) calculating a crowd factor using the rank for the first user (R1) and the rank for the second user (R2), wherein the crowd factor is greater than or equal to R1+R2; and (d) determining a rank for the data object using the determined crowd factor, wherein these steps are performed in response to receiving the indication.