DEXA
2005
Springer
14 years 2 months ago
2005
Springer
In this paper we introduce a novel architecture for data processing, based on a functional fusion between a data and a computation layer. We show how such an architecture can be le...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
XML query processing is one of the most active areas of database research. Although the main focus of past research has been the processing of structural XML queries, there are gro...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Database integrity constraints, understood as logical conditions that must hold for any database state, are not fully supported by current database technology. It is typi...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Data intensive information is often published on the internet in the format of HTML tables. Extracting some of the information that is of users’ interest from the inter...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Recent works in XML change detection have focused on detecting changes to ordered or unordered XML documents. However, in real life XML documents may not always be purely...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Current proposals for XML change detection use structural constraints to detect the changes and they ignore semantic constraints. Consequently, they may produce semantically incorr...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
In this paper, we address a novel method of Web query expansion by using WordNet and TSN. WordNet is an online lexical dictionary which describes word relationships in three dimens...