A data-centric approach to insider attack detection in database systems
S Mathew, M Petropoulos, HQ Ngo… - Recent Advances in …, 2010 - Springer
The insider threat against database management systems is a dangerous security problem.
Authorized users may abuse legitimate privileges to masquerade as other users or to …
Authorized users may abuse legitimate privileges to masquerade as other users or to …
[图书][B] Physical Database Design: the database professional's guide to exploiting indexes, views, storage, and more
SS Lightstone, TJ Teorey, T Nadeau - 2010 - books.google.com
The rapidly increasing volume of information contained in relational databases places a
strain on databases, performance, and maintainability: DBAs are under greater pressure …
strain on databases, performance, and maintainability: DBAs are under greater pressure …
Continuous sampling for online aggregation over multiple queries
In this paper, we propose an online aggregation system called COSMOS (Continuous
Sampling for Multiple queries in an Online aggregation System), to process multiple …
Sampling for Multiple queries in an Online aggregation System), to process multiple …
Feeding frenzy: selectively materializing users' event feeds
A Silberstein, J Terrace, BF Cooper… - Proceedings of the 2010 …, 2010 - dl.acm.org
Near real-time event streams are becoming a key feature of many popular web applications.
Many web sites allow users to create a personalized feed by selecting one or more event …
Many web sites allow users to create a personalized feed by selecting one or more event …
Pr-join: a non-blocking join achieving higher early result rate with statistical guarantees
Online aggregation is a promising solution to achieving fast early responses for interactive
ad-hoc queries that compute aggregates on a large amount of data. Essential to the success …
ad-hoc queries that compute aggregates on a large amount of data. Essential to the success …
Adaptive join operators for result rate optimization on streaming inputs
Adaptive join algorithms have recently attracted a lot of attention in emerging applications
where data are provided by autonomous data sources through heterogeneous network …
where data are provided by autonomous data sources through heterogeneous network …
A physical operator algebra for prioritized elements in data streams
J Jacobi, A Bolles, M Grawunder, D Nicklas… - … Science-Research and …, 2010 - Springer
Data stream management systems are a natural choice to efficiently process continuous
queries over high volume data streams, eg, to monitor sensor data or transaction streams …
queries over high volume data streams, eg, to monitor sensor data or transaction streams …
IRSJ: incremental refining spatial joins for interactive queries in GIS
An increasing number of emerging web database applications deal with large
georeferenced data sets. However, exploring these large data sets through spatial queries …
georeferenced data sets. However, exploring these large data sets through spatial queries …
[PDF][PDF] 海量数据上的近似连接聚集操作
韩希先， 杨东华， 李建中 - 计算机学报, 2010 - cjc.ict.ac.cn
摘! 要! 连接聚集操作是一种常用并且非常耗时的数据库操作8 相对于准确查询'满足用户给定
置信区间的近似结果由于其快得多的响应时间'更受用户的欢迎8 作者分析发现现有的工作无法 …
置信区间的近似结果由于其快得多的响应时间'更受用户的欢迎8 作者分析发现现有的工作无法 …
Approximate aggregations in structured P2P networks
In corporate networks, daily business data are generated in gigabytes or even terabytes. It is
costly to process aggregate queries in those systems. In this paper, we propose PACA, a …
costly to process aggregate queries in those systems. In this paper, we propose PACA, a …