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» Query Caching and View Selection for XML Databases
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SIGMOD
1998
ACM
124views Database» more  SIGMOD 1998»
13 years 11 months ago
An Alternative Storage Organization for ROLAP Aggregate Views Based on Cubetrees
The Relational On-Line Analytical Processing (ROLAP) is emerging as thedominant approach in data warehousing with decision support applications. In order to enhance query performa...
Yannis Kotidis, Nick Roussopoulos
SIGMOD
2004
ACM
173views Database» more  SIGMOD 2004»
14 years 7 months ago
Relaxed Currency and Consistency: How to Say "Good Enough" in SQL
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
Hongfei Guo, Jonathan Goldstein, Per-Åke Lar...
SPE
2008
140views more  SPE 2008»
13 years 7 months ago
A relational-XML data warehouse for data aggregation with SQL and XQuery
: Integration of multiple data sources is becoming increasingly important for enterprises that cooperate closely with their partners for e-commerce. OLAP enables analysts and decis...
Joseph Fong, Herbert Shiu, Davy Cheung
VLDB
1992
ACM
161views Database» more  VLDB 1992»
13 years 11 months ago
Performance and Scalability of Client-Server Database Architectures
Recent developments in software and hardware changed the way database systems are built and operate. In this paper we present database architectures based on the Client Server par...
Alex Delis, Nick Roussopoulos
TKDE
2002
111views more  TKDE 2002»
13 years 7 months ago
Query Relaxation by Structure and Semantics for Retrieval of Logical Web Documents
Since WWW encourages hypertext and hypermedia document authoring (e.g. HTML or XML), Web authors tend to create documents that are composed of multiple pages connected with hyperl...
Wen-Syan Li, K. Selçuk Candan, Quoc Vu, Div...