REQUIREMENT confidence.
FEATURE
Images must be indexed to allow content based entity search.
Image/Video-based video search
Images must be indexed also based on the time information (time of creation, time of index) to support also time queries directly to the multimedia indexer
The crawlers fetch also time information for the retrieved images and push this information in the entity database and multimedia indexer. The time aware multimedia indexer enables time-related queries.
Keyword based syntactic search
Keyword search, repository
Concept based semantic search
Synonym, hyponym, expansion
Entity search which is based on relationship between entities.
Entity search in entity repository
Search results must be ordered according to their relevance and also confidence.
Entity search in entity repository
A learning to rank framework must be constructed to obtain the final set of images using different types of image features (i.e., content-based, social, etc).
Keyword search in entity repository
Entities in the search results may be described by their metadata, related media, or both.
Entity search in entity repository
For low confidence images, the crowd must validate an image with respect to its relevance to the entity. Validity of non-expert annotations must be evaluated.
Mapping images to entities
The crowd may suggest a new image for an entity.
Mapping images to entities
For medium-high confidence images, the crowd must play crossword games to validate metadata and media associated with entities.
Automatic creation of entity games out of entity repository
match and
in
entity
hypernym
Player profile management Automatic feedback cross-validation The crowd may suggest errors in images used for crossword.
Automatic feedback cross-validation
Crowdsourcing tasks may be allocated depending on users’ characteristics such as profile and previous performance.
Player profile management
Crosswords might use incentives in order to increase variables such as users’ performance and level of engagement.
Player profile management
CUBRIK Delivery Management Plan and Testing Specification
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