550 search results - page 71 / 110 » An Expressive Language for Linear Spatial Database Queries |
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
XML and other semi-structured data may have partially specified or missing schema information, motivating the use of a structural summary which can be automatically computed from ...
DEXAW
2000
IEEE
14 years 1 months ago
2000
IEEE
Current models for cardinal directions, such as north and northeast, are either point-based or region-based, but no models exist that apply equally, independent of the geometric d...
ICDT
2001
ACM
14 years 1 months ago
2001
ACM
A number of efficient methods for evaluating first-order and monadic-second order queries on finite relational structures are based on tree-decompositions of structures or quer...
ER
1999
Springer
14 years 29 days ago
1999
Springer
Video data management (VDM) is fast becoming one of seminar topics in multimedia information systems. In VDM systems, there exists an important need for novel techniques and mechan...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...