817 search results - page 49 / 164 » Generating Efficient Plans for Queries Using Views |
PVLDB
2008
13 years 7 months ago
2008
Current skyline evaluation techniques assume a fixed ordering on the attributes. However, dynamic preferences on nominal attributes are more realistic in known applications. In or...
AMW
2009
13 years 8 months ago
2009
Abstract. Rewriting of conjunctive queries using views has many applications in database and data integration. We investigate ways to improve performance of rewriting and propose a...
ECAI
2008
Springer
13 years 9 months ago
2008
Springer
In this paper we describe the Automatic Task Demonstration Generator (ATDG), a system implemented into a software prototype for teaching the operation of a robot manipulator deplo...
SIGCSE
2005
ACM
14 years 1 months ago
2005
ACM
In this paper we describe how a single Khepera II robot was used for an assignment in a senior level course on graphical user interface implementation. The assignment required eac...
DBPL
1995
Springer
13 years 11 months ago
1995
Springer
Physical design for object-oriented databases is still in its infancy. Implementation decisions often intrude into the conceptual design (such as inverse links and object decompos...