1824 search results - page 361 / 365 » Estimating query performance using class predictions |
LREC
2010
13 years 9 months ago
2010
We describe a new Arabic spelling correction system which is intended for use with electronic dictionary search by learners of Arabic. Unlike other spelling correction systems, th...
PODC
2006
ACM
14 years 1 months ago
2006
ACM
We study the problem of maintaining sketches of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in w...
STOC
2004
ACM
14 years 7 months ago
2004
ACM
We prove an (lg n) cell-probe lower bound on maintaining connectivity in dynamic graphs, as well as a more general trade-off between updates and queries. Our bound holds even if t...
SIGMOD
2010
ACM
13 years 7 months ago
2010
ACM
Rising energy costs in large data centers are driving an agenda for energy-efficient computing. In this paper, we focus on the role of database software in affecting, and, ultimat...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
The past decade has seen a wealth of research on time series representations, because the manipulation, storage, and indexing of large volumes of raw time series data is impractic...