Sciweavers

470 search results - page 47 / 94
» Scaling and Time Warping in Time Series Querying
Sort
View
VLDB
2002
ACM
154views Database» more  VLDB 2002»
13 years 7 months ago
I/O-Conscious Data Preparation for Large-Scale Web Search Engines
Given that commercial search engines cover billions of web pages, efficiently managing the corresponding volumes of disk-resident data needed to answer user queries quickly is a f...
Maxim Lifantsev, Tzi-cker Chiueh
ICDCS
2007
IEEE
13 years 11 months ago
Communication-Efficient Tracking of Distributed Cumulative Triggers
In recent work, we proposed D-Trigger, a framework for tracking a global condition over a large network that allows us to detect anomalies while only collecting a very limited amo...
Ling Huang, Minos N. Garofalakis, Anthony D. Josep...
TIT
2002
96views more  TIT 2002»
13 years 7 months ago
Wavelet-based estimators of scaling behavior
Various wavelet-based estimators of self-similarity or long-range dependence scaling exponent are studied extensively. These estimators mainly include the (bi)orthogonal wavelet e...
Benjamin Audit, E. Bacry, J.-F. Muzy, Alain Arneod...
AMW
2009
13 years 8 months ago
Identifying Algebraic Properties to Support Optimization of Unary Similarity Queries
Conventional operators for data retrieval are either based on exact matching or on total order relationship among elements. Neither of them is appropriate to manage complex data, s...
Mônica Ribeiro Porto Ferreira, Agma J. M. Tr...
EMNLP
2010
13 years 5 months ago
Learning Recurrent Event Queries for Web Search
Recurrent event queries (REQ) constitute a special class of search queries occurring at regular, predictable time intervals. The freshness of documents ranked for such queries is ...
Ruiqiang Zhang, Yuki Konda, Anlei Dong, Pranam Kol...