1642 search results - page 141 / 329 » An Object-Centered Data Model for Engineering Design Databas... |
SIGMOD
1989
ACM
14 years 10 days ago
1989
ACM
The HiPAC project is investigating active, time-constrained databasemanagment. An active DBMS is one which automatically executes specified actions when speciifed conditions arise...
DATESO
2007
13 years 9 months ago
2007
We address a problem of updating XML documents having their XML schema described by a Document Type Definition (DTD) without breaking their validity. We present a way how to expre...
SAC
2008
ACM
13 years 7 months ago
2008
ACM
One of the main issues that inhibit the development of contextaware mobile applications is the lack of systematic methods for sensor data acquisition. This lack, however, is a res...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
Correctness of data residing in a database is vital. While integrity constraint enforcement can often ensure data consistency, it is inadequate to protect against updates that inv...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
This paper presents an automatic algorithm which reconstructs building models from airborne LiDAR (light detection and ranging) data of urban areas. While our algorithm inherits t...