2859 search results - page 398 / 572 » Querying Complex Structured Databases |
CASC
2009
Springer
13 years 9 months ago
2009
Springer
We consider Presburger arithmetic extended by infinity. For this we give an effective quantifier elimination and decision procedure which implies also the completeness of our exten...
ICDE
2010
IEEE
14 years 3 months ago
2010
IEEE
— In this paper we propose PARINET, a new access method to efficiently retrieve the trajectories of objects moving in networks. The structure of PARINET is based on a combination...
VLDB
1999
ACM
14 years 18 days ago
1999
ACM
In this paper, we describe our recent experiences in adding a number of object-relational extensions to the DB2 Universal Database UDB system as part of a research and developme...
CHI
1995
ACM
13 years 12 months ago
1995
ACM
Currently, there are many hypertext-like tools and database retrieval systems that use keyword search as a means of navigation. While useful for certain tasks, keyword search is i...
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
In fall of 2004, we met Jim Gray and began to converse about the data needs of ocean scientists. The conversations ultimately led to the development of a unique portal for explori...