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» Database: Models, Languages, Design
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SIGMOD
2002
ACM
172views Database» more  SIGMOD 2002»
14 years 9 months ago
Automating physical database design in a parallel database
Physical database design is important for query performance in a shared-nothing parallel database system, in which data is horizontally partitioned among multiple independent node...
Jun Rao, Chun Zhang, Nimrod Megiddo, Guy M. Lohman
SAC
2008
ACM
13 years 8 months ago
Aggregation languages for moving object and places of interest
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
Leticia I. Gómez, Bart Kuijpers, Alejandro ...
CIKM
2007
Springer
14 years 3 months ago
Conceptual modeling by analogy and metaphor
Metaphor is not merely a rhetorical device, characteristic of language alone, but rather a fundamental feature of the human conceptual system. A metaphor is understood by finding ...
Karin Koogan Breitman, Simone Diniz Junqueira Barb...
DOOD
1997
Springer
134views Database» more  DOOD 1997»
14 years 29 days ago
Well-Founded Semantics for Deductive Object-Oriented Database Languages
Abstract. We present a well-founded semantics for deductive objectoriented database (dood) languages by applying the alternating- xpoint characterization of the well-founded model ...
Wolfgang May, Bertram Ludäscher, Georg Lausen
WEBDB
2005
Springer
103views Database» more  WEBDB 2005»
14 years 2 months ago
A Data Model and Query Language to Explore Enhanced Links and Paths in Life Science Sources
George A. Mihaila, Felix Naumann, Louiqa Raschid, ...