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CDB
2004
Springer
169views Database» more  CDB 2004»
16 years 6 days ago
Semantic Optimization of Preference Queries
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
Jan Chomicki
ICDAR
2003
IEEE
16 years 2 days ago
Automatic Discovery of Semantic Structures in HTML Documents
Template-driven HTML documents posses an implicit, fixed schema denoting concepts and their relationships in a hierarchical fashion. Discovering this schema remains a relatively ...
Saikat Mukherjee, Guizhen Yang, Wenfang Tan, I. V....
154
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ER
1995
Springer
120views Database» more  ER 1995»
15 years 10 months ago
Semantics of Time-Varying Attributes and their Use for Temporal Database Design
Based on a systematic study of the semantics of temporal attributes of entities, this paper provides new guidelines for the design of temporal relational databases. The notions of ...
Christian S. Jensen, Richard T. Snodgrass
AGI
2008
15 years 8 months ago
Distance-Based Non-Deterministic Semantics
Representing uncertainty and reasoning with dynamically evolving systems are two related issues that are in the heart of many information systems. In this paper we show that these ...
Ofer Arieli, Anna Zamansky
ACL
2010
15 years 4 months ago
Edit Tree Distance Alignments for Semantic Role Labelling
Tree SRL system is a Semantic Role Labelling supervised system based on a tree-distance algorithm and a simple k-NN implementation. The novelty of the system lies in comparing the...
Hector-Hugo Franco-Penya