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» Towards integrated information models for data and documents
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SIGIR
2009
ACM
14 years 2 months ago
Extracting structured information from user queries with semi-supervised conditional random fields
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
Xiao Li, Ye-Yi Wang, Alex Acero
CIKM
2008
Springer
13 years 9 months ago
Towards privacy-preserving integration of distributed heterogeneous data
More and more applications rely heavily on large amounts of data in the distributed storages collected over time or produced by large scale scientific experiments or simulations. ...
Pawel Jurczyk, Li Xiong
WSDM
2010
ACM
210views Data Mining» more  WSDM 2010»
14 years 5 months ago
Towards Recency Ranking in Web Search
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...
Anlei Dong, Yi Chang, Zhaohui Zheng, Gilad Mishne,...
JNW
2007
100views more  JNW 2007»
13 years 7 months ago
Towards a Novel Metadata Information Service for Distributed Data Management
— The trend in Grid computing towards more data intensive applications, accessing more and more relational databases and requiring advanced integration of secondhand and publicly...
Alexander Wöhrer, Peter Brezany
ECIR
2010
Springer
13 years 5 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