3251 search results - page 530 / 651 » Challenges in Web Information Retrieval |
EKAW
2010
Springer
13 years 7 months ago
2010
Springer
Linked Data semantic sources, in particular DBpedia, can be used to answer many user queries. PowerAqua is an open multi-ontology Question Answering (QA) system for the Semantic We...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
WWW
2011
ACM
13 years 3 months ago
2011
ACM
As information technology supports more aspects of modern life, digital access has become an important tool for developing regions to lift themselves from poverty. Though broadban...
BMCBI
2005
13 years 8 months ago
2005
Background: A large volume of data and information about genes and gene products has been stored in various molecular biology databases. A major challenge for knowledge discovery ...
WWW
2004
ACM
14 years 9 months ago
2004
ACM
Personalized support for learners becomes even more important, when e-Learning takes place in open and dynamic learning and information networks. This paper shows how to realize p...