33 search results - page 5 / 7 » First-order complete and computationally complete query lang... |
SSDBM
1994
IEEE
13 years 11 months ago
1994
IEEE
The analysis of time series is a central issue in economic research and many other scientific applications. However, the data management functionality for this field is not provid...
ISMB
1994
13 years 8 months ago
1994
Temporallogic, in particular, interval logic has been used to represent genomemapsand to assist genome mapconstructions. However,interval logic itself appears to be bruited in its...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
We present ViteX, an XPath processing system on XML streams with polynomial time complexity. ViteX uses a polynomial-space data structure to encode an exponential number of patter...
TCS
1998
13 years 7 months ago
1998
We introduce a new constraint domain, aggregation constraints, that is useful in database query languages, and in constraint logic programming languages that incorporate aggregate...