Sciweavers

FEWS
2007
13 years 6 months ago
Finding Experts Using Wikipedia
When we want to find experts on the Web we might want to search where the knowledge is created by the users. One of such knowledge repository is Wikipedia. People expertises are d...
Gianluca Demartini
INEX
2004
Springer
13 years 10 months ago
Mixture Models, Overlap, and Structural Hints in XML Element Retrieval
We describe the INEX 2004 participation of the Informatics Institute of the University of Amsterdam. We completely revamped our XML retrieval system, now implemented as a mixture l...
Börkur Sigurbjörnsson, Jaap Kamps, Maart...
CIVR
2004
Springer
131views Image Analysis» more  CIVR 2004»
13 years 10 months ago
An Empirical Investigation of the Scalability of a Multiple Viewpoint CBIR System
Our work in content-based image retrieval (CBIR) relies on content-analysis of multiple representations of an image which we term multiple viewpoints or channels. The conceptual id...
James C. French, Xiangyu Jin, Worthy N. Martin
OTM
2005
Springer
13 years 10 months ago
Biomedical Retrieval: How Can a Thesaurus Help?
Abstract. Searching specialized collections, such as biomedical literature, typically requires intimate knowledge of a specialized terminology. Hence, it can be a disappointing exp...
Leonie IJzereef, Jaap Kamps, Maarten de Rijke
CIKM
2005
Springer
13 years 10 months ago
Web-centric language models
We investigates language models for informational and navigational web search. Retrieval on the web is a task that differs substantially from ordinary ad hoc retrieval. We perfor...
Jaap Kamps
SIGIR
2006
ACM
13 years 11 months ago
Combining fields in known-item email search
Emails are examples of structured documents with various fields. These fields can be exploited to enhance the retrieval effectiveness of an Information Retrieval (IR) system th...
Craig Macdonald, Iadh Ounis
SIGIR
2009
ACM
13 years 11 months ago
Combining LVCSR and vocabulary-independent ranked utterance retrieval for robust speech search
Well tuned Large-Vocabulary Continuous Speech Recognition (LVCSR) has been shown to generally be more effective than vocabulary-independent techniques for ranked retrieval of spo...
J. Scott Olsson, Douglas W. Oard
CIKM
2009
Springer
13 years 11 months ago
A machine learning approach for improved BM25 retrieval
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
Krysta Marie Svore, Christopher J. C. Burges
WSDM
2009
ACM
113views Data Mining» more  WSDM 2009»
13 years 11 months ago
Time Will Tell: Leveraging Temporal Expressions in IR
Temporal expressions, such as between 1992 and 2000, are frequent across many kinds of documents. Text retrieval, though, treats them as common terms, thus ignoring their inherent...
Irem Arikan, Srikanta J. Bedathur, Klaus Berberich