Sciweavers

1993 search results - page 126 / 399
» The impact of technology on the quality of information
Sort
View
ICC
2007
IEEE
16 years 24 days ago
MIMO Broadcast Channels with Channel Estimation
— We consider a multi-user MIMO downlink where the transmitter has only estimates of the channel while the receivers have perfect channel information. The impact of channel estim...
Jun Shi, Minnie Ho
ECIR
2010
Springer
15 years 8 months ago
Predicting Query Performance via Classification
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity t...
Kevyn Collins-Thompson, Paul N. Bennett
EKAW
2010
Springer
15 years 5 months ago
Extending Open Rating Systems for Ontology Ranking and Reuse
Abstract. Ontology reuse saves costs and improves interoperability between ontologies. Knowing which ontology to reuse is difficult without having a quality assessment. We employ u...
Holger Lewen, Mathieu d'Aquin
ECIR
2010
Springer
15 years 8 months ago
Text Clustering for Peer-to-Peer Networks with Probabilistic Guarantees
Text clustering is an established technique for improving quality in information retrieval, for both centralized and distributed environments. However, for highly distributed envir...
Odysseas Papapetrou, Wolf Siberski, Norbert Fuhr
CHI
2007
ACM
16 years 6 months ago
An observational study on information flow during nurses' shift change
We present an observational study that was conducted to guide the design and development of technologies to support information flow during nurses' shift change in a hospital...
Charlotte Tang, M. Sheelagh T. Carpendale