Sciweavers

VLDB
2007
ACM
138views Database» more  VLDB 2007»
14 years 11 months ago
CADS: Continuous Authentication on Data Streams
We study processing and authentication of long-running queries on outsourced data streams. In this scenario, a data owner (DO) constantly transmits its data to a service provider ...
Stavros Papadopoulos, Yin Yang, Dimitris Papadias
VLDB
2007
ACM
112views Database» more  VLDB 2007»
14 years 11 months ago
Stop-and-Restart Style Execution for Long Running Decision Support Queries
Long running decision support queries can be resource intensive and often lead to resource contention in data warehousing systems. Today, the only real option available to the DBA...
Surajit Chaudhuri, Raghav Kaushik, Ravishankar Ram...
VLDB
2007
ACM
108views Database» more  VLDB 2007»
14 years 11 months ago
Time Series Compressibility and Privacy
In this paper we study the trade-offs between time series compressibility and partial information hiding and their fundamental implications on how we should introduce uncertainty ...
Spiros Papadimitriou, Feifei Li, George Kollios, P...
VLDB
2007
ACM
144views Database» more  VLDB 2007»
14 years 11 months ago
Cooperative Scans: Dynamic Bandwidth Sharing in a DBMS
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies...
Marcin Zukowski, Sándor Héman, Niels...
VLDB
2007
ACM
89views Database» more  VLDB 2007»
14 years 11 months ago
Effective Phrase Prediction
Autocompletion is a widely deployed facility in systems that require user input. Having the system complete a partially typed "word" can save user time and effort. In th...
Arnab Nandi, H. V. Jagadish
VLDB
2007
ACM
169views Database» more  VLDB 2007»
14 years 11 months ago
Peer-to-Peer Similarity Search in Metric Spaces
This paper addresses the efficient processing of similarity queries in metric spaces, where data is horizontally distributed across a P2P network. The proposed approach does not r...
Christos Doulkeridis, Akrivi Vlachou, Yannis Kotid...
VLDB
2007
ACM
145views Database» more  VLDB 2007»
14 years 11 months ago
Executing Stream Joins on the Cell Processor
Low-latency and high-throughput processing are key requirements of data stream management systems (DSMSs). Hence, multi-core processors that provide high aggregate processing capa...
Bugra Gedik, Philip S. Yu, Rajesh Bordawekar
VLDB
2007
ACM
116views Database» more  VLDB 2007»
14 years 11 months ago
On the Correctness Criteria of Fine-Grained Access Control in Relational Databases
Databases are increasingly being used to store information covered by heterogeneous policies, which require support for access control with great flexibility. This has led to incr...
Qihua Wang, Ting Yu, Ninghui Li, Jorge Lobo, Elisa...
VLDB
2007
ACM
260views Database» more  VLDB 2007»
14 years 11 months ago
Approaching the Skyline in Z Order
Given a set of multidimensional data points, skyline query retrieves a set of data points that are not dominated by any other points. This query is useful for multi-preference ana...
Ken C. K. Lee, Baihua Zheng, Huajing Li, Wang-Chie...