In contrast to traditional information retrieval systems, which return ranked lists of documents that users must manually browse through, a question answering system attempts to d...
User feedback is widely deployed in recent multimedia research to refine retrieval performance. However, most of the existing online learning algorithms handle interactions of a s...
Taxonomic case-based reasoning is a conversational casebased reasoning methodology that employs feature subsumption taxonomies for incremental case retrieval. Although this approa...
When we encounter an English word that we do not understand, we can look it up in a dictionary. However, when an American Sign Language (ASL) user encounters an unknown sign, looki...
This paper gives an overview of the INEX 2007 Ad Hoc Track. The main purpose of the Ad Hoc Track was to investigate the value of the internal document structure (as provided by the...