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» Answering imprecise database queries: a novel approach
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DASFAA
2007
IEEE
153views Database» more  DASFAA 2007»
16 years 16 days ago
Interval-Focused Similarity Search in Time Series Databases
Similarity search in time series databases usually deals with comparing entire time series objects or subsequence search. In this paper, we formalize the notion of interval-focused...
Johannes Aßfalg, Hans-Peter Kriegel, Peer Kr...
MDM
2010
Springer
180views Communications» more  MDM 2010»
15 years 11 months ago
Online Time Interval Top-k Queries in Wireless Sensor Networks
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
Baichen Chen, Weifa Liang, Jeffrey Xu Yu
PVLDB
2010
112views more  PVLDB 2010»
15 years 4 months ago
Querying Probabilistic Information Extraction
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...
Daisy Zhe Wang, Michael J. Franklin, Minos N. Garo...
ICDE
2006
IEEE
177views Database» more  ICDE 2006»
16 years 7 months ago
Closest-Point-of-Approach Join for Moving Object Histories
In applications that produce a large amount of data describing the paths of moving objects, there is a need to ask questions about the interaction of objects over a long recorded ...
Subramanian Arumugam, Chris Jermaine
VLDB
2005
ACM
109views Database» more  VLDB 2005»
16 years 6 months ago
Model-based approximate querying in sensor networks
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...
Amol Deshpande, Carlos Guestrin, Samuel Madden, Jo...