507 search results - page 55 / 102 » Portfolio theory of information retrieval |
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
Cloud-based data management platforms often employ multitenant databases, where service providers achieve economies of scale by consolidating multiple tenants on shared servers. I...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
People are seldom aware that their search queries frequently mismatch a majority of the relevant documents. This may not be a big problem for topics with a large and diverse set o...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
Today, a number of algorithms exist for constructing tag hierarchies from social tagging data. While these algorithms were designed with ontological goals in mind, we know very li...
IUI
2006
ACM
14 years 1 months ago
2006
ACM
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
We would like to show that the collective production of knowledge and the individual creation of its organizational casting mould, which is therefore incapable of following the gr...