550 search results - page 86 / 110 » A general magnitude-preserving boosting algorithm for search... |
WWW
2007
ACM
14 years 8 months ago
2007
ACM
In this work, we present an extension of CORE [2], a tool for Collaborative Ontology Reuse and Evaluation. The system receives an informal description of a specific semantic domai...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
CLEF
2005
Springer
14 years 1 months ago
2005
Springer
This paper describes our participation at the GeoCLEF 2005 task. We detail the main software components of our Geo-IR system, its adaptation for the participation at GeoCLEF and d...
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:...