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CAISE
2006
Springer
15 years 4 months ago
2006
Springer
Abstract. Data Warehouse (DWH) systems are used by decision makers for performance measurement and decision support. Currently the main focus of the DWH research field is not as mu...
95
Voted
CIKM
2006
Springer
15 years 4 months ago
2006
Springer
This paper revisits the analysis of annotation propagation from source databases to views defined in terms of conjunctive (SPJ) queries. Given a source database D, an SPJ query Q,...
110
Voted
ECAI
1998
Springer
15 years 4 months ago
1998
Springer
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
104
Voted
ER
2000
Springer
15 years 4 months ago
2000
Springer
Abstract E-commerce, web-based booking systems, and on-line auction systems are only a few examples that demonstrate how WWW sites are evolving from hypermedia information reposito...
91
Voted
VLDB
2000
ACM
15 years 4 months ago
2000
ACM
Keyword indices, topic directories, and link-based rankings are used to search and structure the rapidly growing Web today. Surprisingly little use is made of years of browsing ex...