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SIGMOD
2007
ACM
136views Database» more  SIGMOD 2007»
16 years 6 months ago
Progressive optimization in a shared-nothing parallel database
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
Wook-Shin Han, Jack Ng, Volker Markl, Holger Kache...
VLDB
2004
ACM
93views Database» more  VLDB 2004»
15 years 11 months ago
Symmetric Relations and Cardinality-Bounded Multisets in Database Systems
In a binary symmetric relationship, A is related to B if and only if B is related to A. Symmetric relationships between k participating entities can be represented as multisets of...
Kenneth A. Ross, Julia Stoyanovich
HOTSWUP
2009
ACM
15 years 11 months ago
Automating Database Schema Evolution in Information System Upgrades
The complexity, cost, and down-time currently created by the database schema evolution process is the source of incessant problems in the life of information systems and a major s...
Carlo Curino, Hyun Jin Moon, Carlo Zaniolo
MIR
2010
ACM
232views Multimedia» more  MIR 2010»
16 years 1 months ago
Exploiting external knowledge to improve video retrieval
Most video retrieval systems are multimodal, commonly relying on textual information, low- and high-level semantic features extracted from query visual examples. In this work, we ...
David Vallet, Iván Cantador, Joemon M. Jose
EDBT
2004
ACM
115views Database» more  EDBT 2004»
16 years 6 months ago
QuaSAQ: An Approach to Enabling End-to-End QoS for Multimedia Databases
Abstract. The paper discusses the design and prototype implementation of a QoS-aware multimedia database system. Recent research in multimedia databases has devoted little attentio...
Yi-Cheng Tu, Sunil Prabhakar, Ahmed K. Elmagarmid,...