IS
2007
13 years 4 months ago
2007
Current schema matching approaches still have to improve for large and complex Schemas. The large search space increases the likelihood for false matches as well as execution time...
IS
2007
13 years 4 months ago
2007
In this paper, we study the use of XML tagged keywords (or simply key-tags) to search an XML fragment in a collection of XML documents. We present techniques that are able to empl...
IS
2008
13 years 4 months ago
2008
In this paper, we formalize the digital library (DL) integration problem and propose an overall approach based on the 5S (streams, structures, spaces, scenarios, and societies) fr...
IS
2008
13 years 4 months ago
2008
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
IS
2008
13 years 4 months ago
2008
In recent years, while search engines have become more and more powerful, several specialized search engines have been developed for different domains (e.g. library services, serv...
IS
2008
13 years 4 months ago
2008
IS
2008
13 years 4 months ago
2008
Data warehouse modeling is a complex task, which involves knowledge of business processes of the domain of discourse, understanding the structural and behavioral system's con...
IS
2008
13 years 4 months ago
2008
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
IS
2008
13 years 4 months ago
2008
Implementations that load XML documents and give access to them via, e.g., the DOM, suffer from huge memory demands: the space needed to load an XML document is usually many times...
IS
2008
13 years 4 months ago
2008
XQuery is a powerful XML query language with many features and syntactic constructs. For many common queries we do not need all the expressive power of XQuery. We investigate the ...