Information retrieval (IR) has changed considerably in recent years with the expansion of the
World Wide Web and the advent of modern and inexpensive graphical user interfaces and …

With the increasing number of available XML documents, numerous approaches for retrieval
have been proposed in the literature. They usually use the tree representation of documents …

The development of approaches to access XML content has generated a wealth of issues in
information retrieval (IR) and database (DB)(eg,[2, 15, 17, 20, 19, 47, 26, 32, 24]). While the …

In this paper we analyze the problem of schema matching, explain why it is such a" tough"
problem and suggest directions for handling it effectively. In particular, we present the …

In Enterprise settings, expert search is considered an important task. In this search task, the
user has a need for expertise-for instance, they require assistance from someone about a …

Résumé Les travaux de cette thèse s' intéressent à la reformulation de requêtes par
réinjection de pertinence dans les documents semi-structurés de type XML, en utilisant …

The main objective of this paper is to exploit a new source of evidence derived from the
document hierarchical structure for XML information retrieval. We consider that the structure …

Nowadays, increasingly, documents are marked-up using eXtensible Mark-up Language
(XML), the format standard for structured documents. In contrast to HTML, which is mainly …

We investigate in this paper the use of XML structure in multimedia retrieval, particularly in
context-based image retrieval. We propose two methods to represent multimedia objects …

Users rely increasingly on online forums, blogs, and mailing lists to exchange information,
practical tips, and stories. Although this type of social interaction has become central to our …