591 search results - page 27 / 119 » The complexity of XPath query evaluation |
PPDP
2010
Springer
13 years 6 months ago
2010
Springer
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...
ISCI
2008
13 years 8 months ago
2008
This paper considers the theory of database queries on the complex value data model with external functions. Motivated by concerns regarding query evaluation, we first identify re...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
This paper introduces a novel type of query, what we name Spatio-temporal Pattern Queries (STP). Such a query specifies a spatiotemporal pattern as a sequence of distinct spatial...
SSDBM
2009
IEEE
14 years 3 months ago
2009
IEEE
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
KDD
2005
ACM
14 years 9 months ago
2005
ACM
With an increasing use of data mining tools and techniques, we envision that a Knowledge Discovery and Data Mining System (KDDMS) will have to support and optimize for the followi...