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VLDB
2004
ACM
144views Database» more  VLDB 2004»
15 years 11 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa
ICTIR
2009
Springer
15 years 5 months ago
Semi-parametric and Non-parametric Term Weighting for Information Retrieval
Abstract. Most of the previous research on term weighting for information retrieval has focused on developing specialized parametric term weighting functions. Examples include TF.I...
Donald Metzler, Hugo Zaragoza
LREC
2008
57views Education» more  LREC 2008»
15 years 23 days ago
A Development Environment for Configurable Meta-Annotators in a Pipelined NLP Architecture
Information extraction from large data repositories is critical to Information Management solutions. In addition to prerequisite corpus analysis, to determine domain-specific char...
Youssef Drissi, Branimir Boguraev, David Ferrucci,...
IJCAI
1997
15 years 20 days ago
Learning Topological Maps with Weak Local Odometric Information
cal maps provide a useful abstraction for robotic navigation and planning. Although stochastic mapscan theoreticallybe learned using the Baum-Welch algorithm,without strong prior ...
Hagit Shatkay, Leslie Pack Kaelbling
LICS
1994
IEEE
15 years 3 months ago
A Multiple-Conclusion Meta-Logic
The theory of cut-free sequent proofs has been used to motivate and justify the design of a number of logic programming languages. Two such languages, Prolog and its linear logic ...
Dale Miller