WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
We present a system for efficient indexed querying of XML documents, enhanced with sibling operations. R-tree index proposed in [5] has a very high cost for the following-sibling...
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
Efficient querying XML documents is an increasingly important issue considering the fact that XML becomes the de facto standard for data representation and exchange over the Web,...
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
In this paper, we describe the design and initial implementation of a geographic search engine prototype for Germany, based on a large crawl of the de domain. Geographic search en...
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
Querying document-centric XML collections with structure conditions improves retrieval precisions. The structures of such XML collections, however, are often too complex for users...
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
Data fragmentation offers various attractive alternatives to organizing and managing data, and presents interesting characteristics that may be exploited for efficient processing...
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
Nonrecursive XQuery is known to be hard for nondeterministic exponential time. Thus it is commonly believed that any algorithm for evaluating XQuery has to require exponential amo...
WEBDB
2005
Springer
13 years 12 months ago
2005
Springer
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of caching results...