2523 search results - page 12 / 505 » A general matrix framework for modelling Information Retriev... |
KDD
2005
ACM
14 years 8 months ago
2005
ACM
Dyadic data matrices, such as co-occurrence matrix, rating matrix, and proximity matrix, arise frequently in various important applications. A fundamental problem in dyadic data a...
CIKM
2010
Springer
13 years 5 months ago
2010
Springer
We present a flexible new optimization framework for finding effective, reliable pseudo-relevance feedback models that unifies existing complementary approaches in a principled wa...
ICCS
2005
Springer
14 years 1 months ago
2005
Springer
Computing a few eigenpairs of large-scale matrices is a significant problem in science and engineering applications and a very active area of research. In this paper, two methods...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
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:...
SIGIR
2003
ACM
14 years 28 days ago
2003
ACM
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...