Sciweavers

889 search results - page 126 / 178
» A Method for Secure Query Processing in Mobile Databases
Sort
View
ADBIS
1997
Springer
146views Database» more  ADBIS 1997»
15 years 2 months ago
S-Index: a Hybrid Structure for Text Retrieval
Today, two classes of indexing methods enjoying wide applicability are the Inverted Index and the Superimposed Coding based Signature File (SC-SF). The former is most efficient i...
Dimitrios Dervos, P. Linardis, Yannis Manolopoulos
ICDCS
1999
IEEE
15 years 2 months ago
Incorporating Transaction Semantics to Reduce Reprocessing Overhead in Replicated Mobile Data Applications
Update anywhere-anytime-anyway transactional replication has unstable behavior as the workload scales up. To reduce this problem, a two-tier replication algorithm is proposed in [...
Peng Liu, Paul Ammann, Sushil Jajodia
VLDB
2004
ACM
125views Database» more  VLDB 2004»
15 years 3 months ago
Reverse kNN Search in Arbitrary Dimensionality
Given a point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for processing such quer...
Yufei Tao, Dimitris Papadias, Xiang Lian
ASWEC
2006
IEEE
15 years 3 months ago
Preventing SQL Injection Attacks in Stored Procedures
An SQL injection attack targets interactive web applications that employ database services. These applications accept user inputs and use them to form SQL statements at runtime. D...
Ke Wei, Muthusrinivasan Muthuprasanna, Suraj Kotha...
DKE
1998
88views more  DKE 1998»
14 years 9 months ago
Temporal Grid File: A File Structure for Interval Data
Disk I/O is a major bottleneck for query processing in database applications. This bottleneck is especially a problem for temporal databases because of their large size. Reduction...
Chiang Lee, Te-Ming Tseng