While spoken term detection (STD) systems based on word indices provide good accuracy, there are several practical applications where it is infeasible or too costly to employ an L...
Lucene is an increasingly popular open source search library. However, our experiments of search quality for TREC data and evaluations for out-of-the-box Lucene indicated inferior...
Actions are spatio-temporal patterns which can be characterized
by collections of spatio-temporal invariant features.
Detection of actions is to find the re-occurrences
(e.g. th...
– Many P2P-based storage systems use distributed indexing service for searching documents. There are two security issues when the nodes providing the index service are compromise...
Within the emergent Semantic Web framework, the use of traditional web search engines based on keywords provided by the users is not adequate anymore. Instead, new methods based o...