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CIKM
2009
Springer
15 years 11 months ago
Workload-aware trie indices for XML
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
Yuqing Wu, Sofia Brenes, Hyungdae Yi
AIED
2005
Springer
15 years 10 months ago
Educational Data Mining: a Case Study
In this paper, we show how using data mining algorithms can help discovering pedagogically relevant knowledge contained in databases obtained from Web-based educational systems. Th...
Agathe Merceron, Kalina Yacef
SIGMOD
2001
ACM
120views Database» more  SIGMOD 2001»
16 years 4 months ago
Materialized View Selection and Maintenance Using Multi-Query Optimization
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
Hoshi Mistry, Prasan Roy, S. Sudarshan, Krithi Ram...
ICDE
2006
IEEE
161views Database» more  ICDE 2006»
15 years 10 months ago
A Survey on Disk Oriented Querying and Reasoning on the Semantic Web
This paper presents a description of seven systems, which use database technology to both represent knowledge persistently and make scalable queries on it, in the Semantic Web con...
María del Mar Roldán García, ...
SIGMOD
2007
ACM
124views Database» more  SIGMOD 2007»
16 years 4 months ago
Querying xml with update syntax
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
Wenfei Fan, Gao Cong, Philip Bohannon