Sciweavers

300 search results - page 54 / 60
» Vertex Cover: Further Observations and Further Improvements
Sort
View
CIKM
2005
Springer
14 years 28 days ago
Query expansion using random walk models
It has long been recognized that capturing term relationships is an important aspect of information retrieval. Even with large amounts of data, we usually only have significant ev...
Kevyn Collins-Thompson, Jamie Callan
CIKM
2005
Springer
14 years 28 days ago
Maximal termsets as a query structuring mechanism
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
Bruno Pôssas, Nivio Ziviani, Berthier A. Rib...
IPMI
2005
Springer
14 years 27 days ago
PET Image Reconstruction: A Robust State Space Approach
Statistical iterative reconstruction algorithms have shown improved image quality over conventional nonstatistical methods in PET by using accurate system response models and measu...
Huafeng Liu, Yi Tian, Pengcheng Shi
MOBICOM
2004
ACM
14 years 25 days ago
Performance evaluation of safety applications over DSRC vehicular ad hoc networks
In this paper we conduct a feasibility study of delay-critical safety applications over vehicular ad hoc networks based on the emerging dedicated short range communications (DSRC)...
Jijun Yin, Tamer A. ElBatt, Gavin Yeung, Bo Ryu, S...
UML
2004
Springer
14 years 22 days ago
Open Issues in Industrial Use Case Modeling
Use Cases have achieved wide use as a specification tool for observable behavior of systems. However, there is still much controversy, inconsistent use, and free-flowing interpreta...
Gonzalo Génova, Juan Llorens Morillo, Pierr...