WIDM
2005
ACM
14 years 1 months ago
2005
ACM
Web Directories are repositories of Web pages organized in a hierarchy of topics and sub-topics. In this paper, we present DirectoryRank, a ranking framework that orders the pages...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
In this paper we investigate the problem of XML Schema evolution. We first discuss the different kinds of changes that may be needed on an XML Schema. Then, we investigate how to...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
In XML retrieval, two distinct approaches have been established and pursued without much cross-fertilization taking place so far. On the one hand, native XML databases tailored to...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
Clustering the results of a search helps the user to overview the information returned. In this paper, we regard the clustering task as indexing the search results. Here, an index...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
Markov models have been widely used for modelling users' navigational behaviour in the Web graph, using the transitional probabilities between web pages, as recorded in the w...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
This paper describes a framework for ontology-based flexible discovery of Semantic Web services. The proposed approach relies on user-supplied, context-specific mappings from an...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
Collaborative filtering techniques have been successfully employed in recommender systems in order to help users deal with information overload by making high quality personalize...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
In order to formulate a meaningful XML query, a user must have some knowledge of the schema of the XML documents to be queried. The query will succeed only if the schema of the ac...