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» A Query System in a Biological Database
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SAC
2010
ACM
16 years 1 months ago
On processing location based top-k queries in the wireless broadcasting system
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
HaRim Jung, Byung Ku Cho, Yon Dohn Chung, Ling Liu
VLDB
1993
ACM
101views Database» more  VLDB 1993»
15 years 10 months ago
Analysis of Dynamic Load Balancing Strategies for Parallel Shared Nothing Database Systems
Paralleldatabasesystemshaveto supportboth inter-transaction as well as intra-transaction parallelism. Inter-uansaction parahelism (multi-user mode) is required to achieve high thr...
Erhard Rahm, Robert Marek
ICDE
2007
IEEE
132views Database» more  ICDE 2007»
16 years 8 months ago
Lira: Lightweight, Region-aware Load Shedding in Mobile CQ Systems
Position updates and query re-evaluations are two predominant, costly components of processing location-based, continual queries (CQs) in mobile systems. To obtain high-quality qu...
Bugra Gedik, Ling Liu, Kun-Lung Wu, Philip S. Yu
PODS
2006
ACM
196views Database» more  PODS 2006»
16 years 6 months ago
The containment problem for REAL conjunctive queries with inequalities
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
T. S. Jayram, Phokion G. Kolaitis, Erik Vee
CSB
2005
IEEE
131views Bioinformatics» more  CSB 2005»
16 years 6 days ago
Current Challenges in Bioimage Database Design
Information technology research has played a significant role in the high-throughput acquisition and analysis of biological information. The tremendous amount of information gath...
Ambuj K. Singh, Arnab Bhattacharya, Vebjorn Ljosa