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CIKM
2007
Springer
15 years 8 months ago
Improve retrieval accuracy for difficult queries using negative feedback
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
Xuanhui Wang, Hui Fang, ChengXiang Zhai
DASFAA
2007
IEEE
151views Database» more  DASFAA 2007»
15 years 8 months ago
On Label Stream Partition for Efficient Holistic Twig Join
Label stream partition is a useful technique to reduce the input I/O cost of holistic twig join by pruning useless streams beforehand. The Prefix Path Stream (PPS) partition scheme...
Bo Chen, Tok Wang Ling, M. Tamer Özsu, Zhenzh...
EUROSYS
2007
ACM
15 years 8 months ago
Adding dynamic reconfiguration support to JBoss AOP
The majority of aspect-oriented middlewares supporting dynamic aspect weaving fail to preserve important safety properties while weaving or unweaving a distributed aspect at runti...
Nico Janssens, Eddy Truyen, Frans Sanen, Wouter Jo...
SIGIR
2010
ACM
15 years 8 months ago
Reusable test collections through experimental design
Portable, reusable test collections are a vital part of research and development in information retrieval. Reusability is difficult to assess, however. The standard approach— si...
Ben Carterette, Evangelos Kanoulas, Virgiliu Pavlu...
SIGIR
2010
ACM
15 years 8 months ago
On statistical analysis and optimization of information retrieval effectiveness metrics
This paper presents a new way of thinking for IR metric optimization. It is argued that the optimal ranking problem should be factorized into two distinct yet interrelated stages:...
Jun Wang, Jianhan Zhu