This paper extends standard help system technology to demonstrate the suitability of Formal Concept Analysis in displaying, searching and navigating help content. The paper introduces a method for building suitable scales directly from the help system index by computing a keyword extension set. The keyword extension technique is generalisable in any document collection where a hand-crafted inde...

(Abstract) We consider a publish/subscribe system for digital libraries which continuously evaluates queries over a large repository containing document descriptions. The subscriptions, the query expressions and the document descriptions, all rely on a taxonomy that is a hierarchically organized set of keywords, or terms. The digital library supports insertion, update and removal of a document....

The emergence of the Web has increased interests in XML data because that XML has flexible structure. Keyword search has attracted a great deal of attention for retrieving XML data because it is a userfriendly mechanism. But Keyword search is hard to directly improve search quality because lots of keyword-matched nodes may not contribute to the results. And in many applications, the goal is to ...

We explore the potential of using keyword-aware language modeling to extend the ability of trading higher false alarm rates in exchange for lower miss detection rates in LVCSRbased keyword search (KWS). A context-dependent keyword language modeling method is also proposed to further enhance the keyword-aware language modeling framework by reducing the number of false alarms often sacrificed in ...