623 search results - page 38 / 125 » An Empirical Study of Query Specificity |
PVLDB
2008
13 years 8 months ago
2008
This paper studies, for the first time, the management of type information for an important class of semi-structured data: nested DAGs (Directed Acyclic Graphs) that describe exec...
IEE
2008
13 years 9 months ago
2008
With Java 5 annotations, we note a marked increase in tools that can statically detect potential null dereferences. To be effective such tools require that developers annotate decl...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
CIA
2007
Springer
14 years 3 months ago
2007
Springer
Recognizing that trust states are mental states, this paper presents a formal analysis of the dynamics of trust in terms of the functional roles and representation relations for tr...
ECAI
2008
Springer
13 years 10 months ago
2008
Springer
The ability to express preferences for specific tasks in multi-agent auctions is an important element for potential users who are considering to use such auctioning systems. This p...