Sciweavers

970 search results - page 85 / 194
» Query by tapping system based on alignment algorithm
Sort
View
CAISE
2006
Springer
15 years 6 months ago
An Efficient Approach to Support Querying Secure Outsourced XML Information
Abstract. Data security is well-recognized a vital issue in an information system that is supported in an outsource environment. However, most of conventional XML encryption propos...
Yin Yang, Wilfred Ng, Ho Lam Lau, James Cheng
AICOM
2004
100views more  AICOM 2004»
15 years 2 months ago
Query rewriting with symmetric constraints
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
Christoph Koch
137
Voted
TPDS
2008
120views more  TPDS 2008»
15 years 2 months ago
A New Storage Scheme for Approximate Location Queries in Object-Tracking Sensor Networks
Energy efficiency is one of the most critical issues in the design of wireless sensor networks. Observing that many sensor applications for object tracking can tolerate a certain d...
Jianliang Xu, Xueyan Tang, Wang-Chien Lee
125
Voted
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
15 years 6 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
ECCV
2008
Springer
16 years 4 months ago
Signature-Based Document Image Retrieval
As the most pervasive method of individual identification and document authentication, signatures present convincing evidence and provide an important form of indexing for effectiv...
Guangyu Zhu, Yefeng Zheng, David S. Doermann