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» Query Optimization for XML
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119
Voted
WWW
2007
ACM
16 years 4 months ago
Exploit sequencing views in semantic cache to accelerate xpath query evaluation
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
Jianhua Feng, Na Ta, Yong Zhang, Guoliang Li
138
Voted
DEXAW
2007
IEEE
141views Database» more  DEXAW 2007»
15 years 10 months ago
SWARD: Semantic Web Abridged Relational Databases
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
Johan Petrini, Tore Risch
126
Voted
DEXAW
1999
IEEE
202views Database» more  DEXAW 1999»
15 years 8 months ago
Optimizing Global Query Processing Plans in Heterogeneous and Distributed Multidatabase Systems
This work addresses a problem of optimal query processing in heterogeneous and distributed multidatabase systems. The objective is to nd a method for opimization of global query p...
Janusz R. Getta, Seyed M. Sedighi
98
Voted
DEXA
2006
Springer
89views Database» more  DEXA 2006»
15 years 7 months ago
Truly Adaptive Optimization: The Basic Ideas
A new approach to query optimization, truly adaptive optimization (TAO), is presented. TAO is a general optimization strategy and is composed of three elements:
Giovanni Maria Sacco
120
Voted
DEXA
2004
Springer
96views Database» more  DEXA 2004»
15 years 9 months ago
A Selective Key-Oriented XML Index for the Index Selection Problem in XDBMS
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...
Beda Christoph Hammerschmidt, Martin Kempa, Volker...