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ECIR
2010
Springer
13 years 8 months ago
Query Aspect Based Term Weighting Regularization in Information Retrieval
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
Wei Zheng, Hui Fang
SIGIR
2008
ACM
13 years 9 months ago
Exploiting sequential dependencies for expert finding
We propose an expert finding method based on assumption of sequential dependence between a candidate expert and the query terms in the scope of a document. We assume that the stre...
Pavel Serdyukov, Henning Rode, Djoerd Hiemstra
KDD
2007
ACM
169views Data Mining» more  KDD 2007»
14 years 10 months ago
Exploiting underrepresented query aspects for automatic query expansion
Users attempt to express their search goals through web search queries. When a search goal has multiple components or aspects, documents that represent all the aspects are likely ...
Daniel Crabtree, Peter Andreae, Xiaoying Gao
SIGMOD
2000
ACM
236views Database» more  SIGMOD 2000»
14 years 2 months ago
XTRACT: A System for Extracting Document Type Descriptors from XML Documents
XML is rapidly emerging as the new standard for data representation and exchange on the Web. An XML document can be accompanied by a Document Type Descriptor (DTD) which plays the...
Minos N. Garofalakis, Aristides Gionis, Rajeev Ras...
DKE
2006
122views more  DKE 2006»
13 years 10 months ago
Sampling, information extraction and summarisation of Hidden Web databases
Hidden Web databases maintain a collection of specialised documents, which are dynamically generated in response to users' queries. The majority of these documents are genera...
Yih-Ling Hedley, Muhammad Younas, Anne E. James, M...