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DEXAW
2000
IEEE
145views Database» more  DEXAW 2000»
15 years 11 months ago
A Sound Algorithm for Region-Based Image Retrieval Using an Index
Region-based image retrieval systems aim to improve the effectiveness of content-based search by decomposing each image into a set of “homogeneous” regions. Thus, similarity b...
Ilaria Bartolini, Paolo Ciaccia, Marco Patella
ADBIS
1998
Springer
80views Database» more  ADBIS 1998»
15 years 10 months ago
Replication in Mirrored Disk Systems
Abstract. In this paper we study data replication in a mirrored disk system. Free disk space is exploited by keeping replicas of specific cylinders at appropriate disk locations. A...
Athena Vakali, Yannis Manolopoulos
PODS
1993
ACM
122views Database» more  PODS 1993»
15 years 10 months ago
Towards an Analysis of Range Query Performance in Spatial Data Structures
In this paper, we motivate four di erent user de ned window query classes and derive a probabilistic model for each of them. For each model, we characterize the e ciency of spatia...
Bernd-Uwe Pagel, Hans-Werner Six, Heinrich Toben, ...
VLDB
1992
ACM
109views Database» more  VLDB 1992»
15 years 10 months ago
On B-Tree Indices for Skewed Distributions
It is often the case that the set of values over which a B-Tree is constructed has a skewed distribution. We present a geometric growth technique to manage postings records in suc...
Christos Faloutsos, H. V. Jagadish
DEXA
2006
Springer
115views Database» more  DEXA 2006»
15 years 10 months ago
Semantic Wikis for Personal Knowledge Management
Wikis are becoming popular knowledge management tools. Analysing knowledge management requirements, we observe that wikis do not fully support structured search and knowledge reuse...
Eyal Oren, Max Völkel, John G. Breslin, Stefa...