223 search results - page 29 / 45 » Expressive and Efficient Peer-to-Peer Queries |
EDBT
2004
ACM
14 years 6 months ago
2004
ACM
In this paper we present HOPI, a new connection index for XML documents based on the concept of the 2?hop cover of a directed graph introduced by Cohen et al. In contrast to most o...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Probabilistic databases have received considerable attention recently due to the need for storing uncertain data produced by many real world applications. The widespread use of pr...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
VLDB
2002
ACM
14 years 7 months ago
2002
ACM
Multiversion support for XML documents is needed in many critical applications, such as software configuration control, cooperative authoring, web information warehouses, and "...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...