320 search results - page 11 / 64 » A Theory of Spatio-Temporal Database Queries |
ICDT
2011
ACM
12 years 11 months ago
2011
ACM
The goal of Knowledge Compilation is to represent a Boolean expression in a format in which it can answer a range of online-queries in PTIME. The online-query of main interest to ...
TIME
2000
IEEE
13 years 12 months ago
2000
IEEE
We present a data model for movies and movie databases. A movie is considered to be a 2-dimensional semialgebraic figure that can change in time. We give a number of computabilit...
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
SARA
2007
Springer
14 years 1 months ago
2007
Springer
Relational databases have had great industrial success in computer science. The power of the paradigm is made clear both by its widespread adoption and by theoretical analysis. Tod...
IUI
2003
ACM
14 years 23 days ago
2003
ACM
The need for Natural Language Interfaces to databases (NLIs) has become increasingly acute as more and more people access information through their web browsers, PDAs, and cell ph...