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DEXA
2000
Springer
75views Database» more  DEXA 2000»
14 years 2 months ago
View Selection in OLAP Environment
To select some "valuable" views for materialization is an essential challenge in OLAP system design. Several techniques proposed previously are not very scalable for syst...
Shi Guang Qiu, Tok Wang Ling
DEXA
2000
Springer
147views Database» more  DEXA 2000»
14 years 2 months ago
Lattice-Structured Domains, Imperfect Data and Inductive Queries
The relational model, as proposed by Codd, contained the concept of relations as tables composed of tuples of single valued attributes taken from a domain. In most of the early lit...
Sally Rice, John F. Roddick
ICDT
1997
ACM
108views Database» more  ICDT 1997»
14 years 2 months ago
Incorporating User Preferences in Multimedia Queries
A “scoring rule” is an assignment of a value to every tuple (of varying sizes). This paper is concerned with the issue of how to modify a scoring rule to apply to the case whe...
Ronald Fagin, Edward L. Wimmers
EDBT
2000
ACM
14 years 1 months ago
Materialized View Selection for Multi-Cube Data Models
OLAP applications use precomputation of aggregate data to improve query response time. While this problem has been well-studied in the recent database literature, to our knowledge ...
Amit Shukla, Prasad Deshpande, Jeffrey F. Naughton
ER
2000
Springer
122views Database» more  ER 2000»
14 years 1 months ago
Managing RDF Metadata for Community Webs
The need for descriptive information, i.e., metadata, about Web resources has been recognized in several application contexts (e.g., digital libraries, portals). The Resource Descr...
Sofia Alexaki, Vassilis Christophides, Gregory Kar...