Sciweavers

7593 search results - page 1212 / 1519
» Querying XML Databases
Sort
View
224
Voted
PODS
2006
ACM
217views Database» more  PODS 2006»
16 years 6 months ago
A simpler and more efficient deterministic scheme for finding frequent items over sliding windows
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
Lap-Kei Lee, H. F. Ting
EDBT
2002
ACM
132views Database» more  EDBT 2002»
16 years 6 months ago
A Framework for the Physical Design Problem for Data Synopses
Maintaining statistics on multidimensional data distributions is crucial for predicting the run-time and result size of queries and data analysis tasks with acceptable accuracy. To...
Arnd Christian König, Gerhard Weikum
EDBT
2006
ACM
112views Database» more  EDBT 2006»
16 years 6 months ago
Expressiveness and Performance of Full-Text Search Languages
We study the expressiveness and performance of full-text search languages. Our main motivation is to provide a formal basis for comparing such languages and to develop a model for...
Chavdar Botev, Sihem Amer-Yahia, Jayavel Shanmugas...
EDBT
2006
ACM
129views Database» more  EDBT 2006»
16 years 6 months ago
Efficient Quantile Retrieval on Multi-dimensional Data
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
Man Lung Yiu, Nikos Mamoulis, Yufei Tao
CBMS
2009
IEEE
16 years 1 months ago
Ontology driven data integration for autism research
Autism Spectrum Disorder is an inherently complex phenomenon requiring large studies of many different types to further understanding of its causes. The National Database for Auti...
Lynn Young, Samson W. Tu, Lakshika Tennakoon, Davi...
« Prev « First page 1212 / 1519 Last » Next »