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SIGIR
2010
ACM
13 years 10 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
SIGIR
2010
ACM
13 years 4 months ago
Information-based models for ad hoc IR
We introduce in this paper the family of information-based models for ad hoc information retrieval. These models draw their inspiration from a long-standing hypothesis in IR, name...
Stéphane Clinchant, Éric Gaussier
ISITA
2010
13 years 4 months ago
Information reconciliation for QKD with rate-compatible non-binary LDPC codes
We study information reconciliation (IR) scheme for the quantum key distribution (QKD) protocols. The IR for the QKD can be considered as the asymmetric Slepian-Wolf problem, which...
Kenta Kasai, Ryutaroh Matsumoto, Kohichi Sakaniwa
IR
2010
13 years 4 months ago
A general approximation framework for direct optimization of information retrieval measures
Recently direct optimization of information retrieval (IR) measures becomes a new trend in learning to rank. Several methods have been proposed and the effectiveness of them has ...
Tao Qin, Tie-Yan Liu, Hang Li