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SIGIR
2006
ACM
16 years 3 days ago
Automated performance assessment in interactive QA
In interactive question answering (QA), users and systems take turns to ask questions and provide answers. In such an interactive setting, user questions largely depend on the ans...
Joyce Y. Chai, Tyler Baldwin, Chen Zhang
SIGIR
2006
ACM
16 years 3 days ago
Answering complex questions with random walk models
We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...
Sanda M. Harabagiu, V. Finley Lacatusu, Andrew Hic...
SIGIR
2006
ACM
16 years 3 days ago
Feature diversity in cluster ensembles for robust document clustering
The performance of document clustering systems depends on employing optimal text representations, which are not only difficult to determine beforehand, but also may vary from one ...
Xavier Sevillano, Germán Cobo, Francesc Al&...
WIKIS
2006
ACM
16 years 3 days ago
OntoWiki: community-driven ontology engineering and ontology usage based on Wikis
Ontologies are consensual representations of a domain of discourse and the backbone of the future Semantic Web. Currently, however, only a fraction of Web users can take part in t...
Martin Hepp, Daniel Bachlechner, Katharina Siorpae...
CIMCA
2005
IEEE
15 years 11 months ago
Potentials and Limits of Graph-Algorithms for Discovering Ontology Patterns
The aim of the research presented in this paper is to contribute to reduction of development time for ontologies by discovering reusable parts and patterns. The approach is to use...
Christer Thörn, Orjan Eriksson, Eva Blomqvist...
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