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SIGMOD
2010
ACM
186views Database» more  SIGMOD 2010»
15 years 6 months ago
Fast approximate correlation for massive time-series data
We consider the problem of computing all-pair correlations in a warehouse containing a large number (e.g., tens of thousands) of time-series (or, signals). The problem arises in a...
Abdullah Mueen, Suman Nath, Jie Liu
132
Voted
LREC
2010
159views Education» more  LREC 2010»
15 years 3 months ago
Towards Optimal TTS Corpora
Unit selection text-to-speech systems currently produce very natural synthesized phrases by concatenating speech segments from a large database. Recently, increasing demand for de...
Didier Cadic, Cédric Boidin, Christophe d'A...
SIGMOD
2008
ACM
206views Database» more  SIGMOD 2008»
16 years 1 months ago
Ad-hoc aggregations of ranked lists in the presence of hierarchies
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
Nilesh Bansal, Sudipto Guha, Nick Koudas
SACMAT
2005
ACM
15 years 7 months ago
Generalized XML security views
We investigate a generalization of the notion of XML security view introduced by Stoica and Farkas [17] and later refined by Fan et al. [8]. The model consists of access control ...
Gabriel M. Kuper, Fabio Massacci, Nataliya Rassadk...
115
Voted
ESA
2009
Springer
90views Algorithms» more  ESA 2009»
15 years 8 months ago
Storing a Compressed Function with Constant Time Access
We consider the problem of representing, in a space-efficient way, a function f : S → Σ such that any function value can be computed in constant time on a RAM. Specifically, ou...
Jóhannes B. Hreinsson, Morten Krøyer...