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EDBT
2008
ACM
108views Database» more  EDBT 2008»
16 years 2 months ago
Revisiting redundancy and minimization in an XPath fragment
Redundancy and minimization of queries are investigated in a well known fragment of XPath that includes child and descendant edges, branches, wildcards, and multiple output nodes....
Benny Kimelfeld, Yehoshua Sagiv
SDB
1995
91views Database» more  SDB 1995»
15 years 6 months ago
Semantics in Spatial Databases
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....
Bart Kuijpers, Jan Paredaens, Luc Vandeurzen
PODS
1994
ACM
95views Database» more  PODS 1994»
15 years 6 months ago
Towards a Theory of Spatial Database Queries
Jan Paredaens, Jan Van den Bussche, Dirk Van Gucht
SSD
1989
Springer
56views Database» more  SSD 1989»
15 years 6 months ago
A Topological Data Model for Spatial Databases
Max J. Egenhofer, Andrew U. Frank, Jeffrey P. Jack...