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» A Scalable Algorithm for Answering Queries Using Views
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ITICSE
2004
ACM
15 years 8 months ago
SQLator: an online SQL learning workbench
SQL (Structured Query Language) is one of the essential topics in foundation databases courses in higher education. Due to its apparent simple syntax, learning to use the full pow...
Shazia Wasim Sadiq, Maria E. Orlowska, Wasim Sadiq...
123
Voted
KI
2007
Springer
15 years 8 months ago
Knowledge Compilation for Description Logics
Abstract. Knowledge compilation is a common technique for propositional logic knowledge bases. The idea is to transform a given knowledge base into a special normal form ([MR03],[D...
Ulrich Furbach, Claudia Obermaier
174
Voted
RR
2007
Springer
15 years 8 months ago
Expressive Reasoning with Horn Rules and Fuzzy Description Logics
Abstract. This essay describes fuzzy CARIN, a knowledge representation language combining fuzzy description logics with Horn rules. Fuzzy CARIN integrates the management of fuzzy l...
Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. S...
VLDB
1999
ACM
107views Database» more  VLDB 1999»
15 years 6 months ago
The Value of Merge-Join and Hash-Join in SQL Server
Microsoft SQL Server was successful for many years for transaction processing and decision support workloads with neither merge join nor hash join, relying entirely on nested loop...
Goetz Graefe
140
Voted
SIGMOBILE
2008
72views more  SIGMOBILE 2008»
15 years 2 months ago
RFID-based networks: exploiting diversity and redundancy
In this article, we outline a research agenda for developing protocols and algorithms for densely populated RFID based systems covering a wide geographic area. This will need mult...
Nitin Vaidya, Samir R. Das