Sciweavers

WIDM
2005
ACM
14 years 26 days ago
DirectoryRank: ordering pages in web directories
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...
Vlassis Krikos, Sofia Stamou, Pavlos Kokosis, Alex...
WIDM
2005
ACM
14 years 26 days ago
Impact of XML schema evolution on valid documents
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...
Giovanna Guerrini, Marco Mesiti, Daniele Rossi 000...
WIDM
2005
ACM
14 years 26 days ago
Exploiting native XML indexing techniques for XML retrieval in relational database systems
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...
Felix Weigel, Klaus U. Schulz, Holger Meuss
WIDM
2005
ACM
14 years 26 days ago
A search result clustering method using informatively named entities
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...
Hiroyuki Toda, Ryoji Kataoka
WIDM
2005
ACM
14 years 26 days ago
Web path recommendations based on page ranking and Markov models
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...
Magdalini Eirinaki, Michalis Vazirgiannis, Dimitri...
WIDM
2005
ACM
14 years 26 days ago
A framework for semantic web services discovery
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...
Jyotishman Pathak, Neeraj Koul, Doina Caragea, Vas...
WIDM
2005
ACM
14 years 26 days ago
Preventing shilling attacks in online recommender systems
Collaborative filtering techniques have been successfully employed in recommender systems in order to help users deal with information overload by making high quality personalize...
Paul-Alexandru Chirita, Wolfgang Nejdl, Cristian Z...
WIDM
2005
ACM
14 years 26 days ago
Query translation scheme for heterogeneous XML data sources
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...
Cindy X. Chen, George A. Mihaila, Sriram Padmanabh...