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» Conceptual Queries Using ConQuer-II
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CIKM
1999
Springer
13 years 12 months ago
A General Language Model for Information Retrieval
Statistical language modeling has been successfully used for speech recognition, part-of-speech tagging, and syntactic parsing. Recently, it has also been applied to information r...
Fei Song, W. Bruce Croft
BDA
2001
13 years 9 months ago
Rewriting and Evaluating Tree Queries with XPath
A Community Web portal is a set of tools for a community of people who want to share information on a certain domain via the Web. The backbone of this system is an ontology which ...
Bernd Amann, Catriel Beeri, Irini Fundulaki, Miche...
DBPL
1997
Springer
94views Database» more  DBPL 1997»
13 years 12 months ago
Querying Multidimensional Databases
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...
Luca Cabibbo, Riccardo Torlone
GIS
2004
ACM
14 years 8 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi
SIGMOD
2007
ACM
172views Database» more  SIGMOD 2007»
14 years 7 months ago
Auditing disclosure by relevance ranking
Numerous widely publicized cases of theft and misuse of private information underscore the need for audit technology to identify the sources of unauthorized disclosure. We present...
Rakesh Agrawal, Alexandre V. Evfimievski, Jerry Ki...