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NAACL
2003
15 years 8 months ago
A Categorial Variation Database for English
We describe our approach to the construction and evaluation of a large-scale database called “CatVar” which contains categorial variations of English lexemes. Due to the preva...
Nizar Habash, Bonnie J. Dorr
GIS
2007
ACM
16 years 7 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang
ICDE
1998
IEEE
121views Database» more  ICDE 1998»
16 years 8 months ago
Fuzzy Triggers: Incorporating Imprecise Reasoning into Active Databases
Traditional Event-Condition-Action triggers (active database rules) include a Boolean predicate as a trigger condition. We propose fuzzy triggers whereby fuzzy inference is utiliz...
Antoni Wolski, Tarik Bouaziz
CSMR
2008
IEEE
16 years 1 months ago
Hecataeus: A What-If Analysis Tool for Database Schema Evolution
Databases are continuously evolving environments, where design constructs are added, removed or updated rather often. Small changes in the database configurations might impact a l...
George Papastefanatos, Fotini Anagnostou, Yannis V...
GIS
2002
ACM
15 years 6 months ago
Spatio-temporal evolution: querying patterns of change in databases
This paper contributes a general approach to characterizing patterns of change in a spatio-temporal database. While there is a particular interest in modelling and querying how sp...
Nassima Djafri, Alvaro A. A. Fernandes, Norman W. ...