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ICDE
2005
IEEE
101views Database» more  ICDE 2005»
14 years 2 months ago
Optimization of Nested XQuery Expressions with Orderby Clauses
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
Song Wang, Elke A. Rundensteiner, Murali Mani
SIGMOD
2009
ACM
192views Database» more  SIGMOD 2009»
14 years 9 months ago
Scalable join processing on very large RDF graphs
With the proliferation of the RDF data format, engines for RDF query processing are faced with very large graphs that contain hundreds of millions of RDF triples. This paper addre...
Thomas Neumann, Gerhard Weikum
WWW
2005
ACM
14 years 9 months ago
TJFast: effective processing of XML twig pattern matching
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. A number of algorithms have been proposed to process ...
Jiaheng Lu, Ting Chen, Tok Wang Ling
VLDB
2001
ACM
138views Database» more  VLDB 2001»
14 years 1 months ago
A Data Warehousing Architecture for Enabling Service Provisioning Process
In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...
Yannis Kotidis
AICS
2009
13 years 7 months ago
Using Shallow Natural Language Processing in a Just-In-Time Information Retrieval Assistant for Bloggers
Abstract. Just-In-Time Information Retrieval agents proactively retrieve information based on queries that are implicit in, and formulated from, the user's current context, su...
Ang Gao, Derek G. Bridge