Sciweavers

1992 search results - page 273 / 399
» Implementing sorting in database systems
Sort
View
VCIP
2003
238views Communications» more  VCIP 2003»
13 years 10 months ago
Texture segmentation based on features in wavelet domain for image retrieval
Texture is a fundamental feature which provides significant information for image classification, and is an important content used in content-based image retrieval (CBIR) system. ...
Ying Liu, Si Wu, Xiaofang Zhou
VLDB
1998
ACM
173views Database» more  VLDB 1998»
13 years 8 months ago
Fast Image Retrieval Using Color-Spatial Information
Abstract. In this paper, we present an image retrieval system that employs both the color and spatial information of images to facilitate the retrieval process. The basic unit used...
Beng Chin Ooi, Kian-Lee Tan, Tat-Seng Chua, Wynne ...
VLDB
2002
ACM
98views Database» more  VLDB 2002»
13 years 8 months ago
Processing Star Queries on Hierarchically-Clustered Fact Tables
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
Nikos Karayannidis, Aris Tsois, Timos K. Sellis, R...
SIGMOD
2010
ACM
204views Database» more  SIGMOD 2010»
13 years 7 months ago
Multi-dimensional keyword-based image annotation and search
Effective keyword search on image databases is a major open problem, due to the inherent imprecision of keywords (tags) used to describe images' content. In this paper we pre...
Ilaria Bartolini, Paolo Ciaccia
SOFTWARE
2002
13 years 8 months ago
Modeling with a Sense of Purpose
is the level of abstraction: a logical model ignores the constraints that the underlying database technology imposes and presents a simplified view. Sometimes physical database des...
John Daniels