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SIGMOD
2005
ACM
114views Database» more  SIGMOD 2005»
16 years 6 months ago
Semantic characterizations of navigational XPath
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
Maarten Marx, Maarten de Rijke
SIGMOD
2005
ACM
129views Database» more  SIGMOD 2005»
16 years 6 months ago
A citation-based system to assist prize awarding
Citation analysis is performed to evaluate the impact of scientific collections (journals and conferences), publications and scholar authors. In this paper we investigate alternat...
Antonis Sidiropoulos, Yannis Manolopoulos
SIGMOD
2005
ACM
111views Database» more  SIGMOD 2005»
16 years 6 months ago
Efficient Computation of Multiple Group By Queries
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
Zhimin Chen, Vivek R. Narasayya
ICIAP
2005
ACM
16 years 6 months ago
Learning Intrusion Detection: Supervised or Unsupervised?
Abstract. Application and development of specialized machine learning techniques is gaining increasing attention in the intrusion detection community. A variety of learning techniq...
Pavel Laskov, Patrick Düssel, Christin Sch&au...
ICSE
2005
IEEE-ACM
16 years 6 months ago
Locating causes of program failures
Which is the defect that causes a software failure? By comparing the program states of a failing and a passing run, we can identify the state differences that cause the failure. H...
Holger Cleve, Andreas Zeller