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» A Database of Narrative Schemas
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DOLAP
2004
ACM
14 years 1 months ago
Aggregate queries in peer-to-peer OLAP
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
Mauricio Minuto Espil, Alejandro A. Vaisman
ADBIS
2004
Springer
93views Database» more  ADBIS 2004»
14 years 1 months ago
Query Rewriting Using Views in a Typed Mediator Environment
Abstract. Query rewriting method is proposed for the heterogeneous information integration infrastructure formed by the subject mediator environment. Local as View (LAV) approach t...
Leonid A. Kalinichenko, Dmitry O. Martynov, Sergey...
VLDB
2004
ACM
124views Database» more  VLDB 2004»
14 years 28 days ago
Data Sharing Through Query Translation in Autonomous Sources
We consider the problem of data sharing between autonomous data sources in an environment where constraints cannot be placed on the shared contents of sources. Our solutions rely ...
Anastasios Kementsietsidis, Marcelo Arenas
HICSS
2003
IEEE
156views Biometrics» more  HICSS 2003»
14 years 26 days ago
Developing Video Services for Mobile Users
Video information, image processing and computer vision techniques are developing rapidly nowadays because of the availability of acquisition, processing and editing tools, which ...
Mohamed Ahmed, Roger Impey, Ahmed Karmouch
WIDM
2003
ACM
14 years 25 days ago
Schema-guided wrapper maintenance for web-data extraction
Extracting data from Web pages using wrappers is a fundamental problem arising in a large variety of applications of vast practical interests. There are two main issues relevant t...
Xiaofeng Meng, Dongdong Hu, Chen Li