2889 search results - page 86 / 578 » Querying Structured Hyperdocuments |
WWW
2004
ACM
14 years 8 months ago
2004
ACM
Centralized Resource Description Framework (RDF) repositories have limitations both in their failure tolerance and in their scalability. Existing Peer-to-Peer (P2P) RDF repositori...
WWW
2004
ACM
14 years 8 months ago
2004
ACM
We propose a new distributed, fault-tolerant Peer-to-Peer index structure for resource discovery applications called the P-tree. P-trees efficiently support range queries in addit...
VLDB
1994
ACM
14 years 2 days ago
1994
ACM
Index structures for multiple sets can be classified into those that group entries according to their key values and those that group entries according to their set membership. Th...
ECIR
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. Retrieving semistructured (XML) data typically requires either a structured query such as XPath, or a keyword query that does not take structure into account. In this pap...
DBPL
1993
Springer
14 years 2 days ago
1993
Springer
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...