3652 search results - page 83 / 731 » A study of query length |
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
TREC
2004
13 years 9 months ago
2004
Our participation in TREC 2004 aims to extend and improve the use of the DFR (Divergence From Randomness) models with Query Expansion (QE) for the robust track. We experiment with...
ISAAC
2005
Springer
14 years 1 months ago
2005
Springer
We study how to label the vertices of a tree in such a way that we can decide the distance of two vertices in the tree given only their labels. For trees, Gavoille et al. [7] prove...
COCOON
2006
Springer
13 years 11 months ago
2006
Springer
We study an on-line broadcast scheduling problem in which requests have deadlines, and the objective is to maximize the weighted throughput, i.e., the weighted total length of the ...
CORR
2006
Springer
13 years 8 months ago
2006
Springer
We consider a multiple-input, multiple-output (MIMO) wideband Rayleigh block fading channel where the channel state is unknown to both the transmitter and the receiver and there is...