591 search results - page 80 / 119 » The complexity of XPath query evaluation |
WWW
2008
ACM
14 years 9 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
CLEF
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. Recent research has suggested that there is no general similarity measure, which can be applied on arbitrary databases without any parameterization. Hence, the optimal co...
DEBS
2009
ACM
14 years 3 months ago
2009
ACM
Efficient matching of incoming events to persistent queries is fundamental to event pattern matching, complex event processing, and publish/subscribe systems. Recent processing e...
VLDB
1997
ACM
14 years 24 days ago
1997
ACM
In this paper we describe novel techniques that make it possible to build an industrial-strength tool for automating the choice of indexes in the physical design of a SQL database...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
Object-oriented and object-relational DBMS support setvalued attributes, which are a natural and concise way to model complex information. However, there has been limited research...