591 search results - page 87 / 119 » The complexity of XPath query evaluation |
VLDB
1995
ACM
14 years 5 days ago
1995
ACM
Parallel database systems have to support the effective parallelization of complex queries in multi-user mode, i.e. in combination with inter-query/inter-transaction parallelism. ...
PVLDB
2010
13 years 7 months ago
2010
Though partially automated, developing schema mappings remains a complex and potentially error-prone task. In this paper, we present TRAMP (TRAnsformation Mapping Provenance), an ...
WINE
2007
Springer
14 years 2 months ago
2007
Springer
Internet search companies sell advertisement slots based on users’ search queries via an auction. Advertisers have to solve a complex optimization problem of how to place bids o...
LICS
2000
IEEE
14 years 1 months ago
2000
IEEE
We study definability and complexity issues for automatic and ω-automatic structures. These are, in general, infinite structures but they can be finitely presented by a collec...
TLSDKCS
2010
13 years 3 months ago
2010
Abstract. With increasing volumes of data, much effort has been devoted to finding the most suitable answer to an information need. However, in many domains, the question whether a...