Sciweavers

3268 search results - page 401 / 654
» Database Technologies for RDF
Sort
View
SIGIR
2004
ACM
15 years 12 months ago
Multiple sources of evidence for XML retrieval
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...
Börkur Sigurbjörnsson, Jaap Kamps, Maart...
SWS
2004
ACM
15 years 12 months ago
Applying hierarchical and role-based access control to XML documents
W3C Recommendations XML Encryption and XML-Digital Signature can be used to protect the confidentiality of and provide assurances about the integrity of XML documents transmitted...
Jason Crampton
WIDM
2004
ACM
15 years 12 months ago
XPath lookup queries in P2P networks
We address the problem of querying XML data over a P2P network. In P2P networks, the allowed kinds of queries are usually exact-match queries over file names. We discuss the exte...
Angela Bonifati, Ugo Matrangolo, Alfredo Cuzzocrea...
CIKM
2004
Springer
15 years 12 months ago
Indexing text data under space constraints
An important class of queries is the LIKE predicate in SQL. In the absence of an index, LIKE queries are subject to performance degradation. The notion of indexing on substrings (...
Bijit Hore, Hakan Hacigümüs, Balakrishna...
CIKM
2004
Springer
15 years 12 months ago
Discovering frequently changing structures from historical structural deltas of unordered XML
Recently, a large amount of work has been done in XML data mining. However, we observed that most of the existing works focus on the snapshot XML data, while XML data is dynamic i...
Qiankun Zhao, Sourav S. Bhowmick, Mukesh K. Mohani...