1004 search results - page 56 / 201 » Safe Constraint Queries |
VLDB
2005
ACM
14 years 3 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...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
DAGSTUHL
2007
13 years 11 months ago
2007
It is well known that local patterns are at the core of a lot of knowledge which may be discovered from data. Nevertheless, use of local patterns is limited by their huge number an...
LICS
2007
IEEE
14 years 4 months ago
2007
IEEE
We introduce symmetric Datalog, a syntactic restriction of linear Datalog and show that its expressive power is exactly that of restricted symmetric monotone Krom SNP. The deep re...
SDM
2007
SIAM
13 years 11 months ago
2007
SIAM
Local pattern mining algorithms generate sets of patterns, which are typically not directly useful and have to be further processed before actual application or interpretation. Ra...