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TODS
2002
92views more  TODS 2002»
9 years 11 months ago
Searching in metric spaces with user-defined and approximate distances
Metric access methods (MAMs), such as the M-tree, are powerful index structures for supporting ty queries on metric spaces, which represent a common abstraction for those searchin...
Paolo Ciaccia, Marco Patella
DKE
2007
153views more  DKE 2007»
9 years 11 months ago
Adaptive similarity search in streaming time series with sliding windows
The challenge in a database of evolving time series is to provide efficient algorithms and access methods for query processing, taking into consideration the fact that the databas...
Maria Kontaki, Apostolos N. Papadopoulos, Yannis M...
CHI
2008
ACM
10 years 1 months ago
Comparing access methods and quality of 3g mobile video streaming services
In this paper we examine the access methods and the quality of experience of current unicast video streaming services in 3G mobile networks. A packet-switched mobile video client,...
Marcin Davies, Antitza Dantcheva, Peter Fröhl...
ADBIS
2000
Springer
117views Database» more  ADBIS 2000»
10 years 3 months ago
Multiversion Linear Quadtree for Spatio-Temporal Data
Research in spatio-temporal databases has largely focused on extensions of access methods for the proper handling of time changing spatial information. In this paper, we present th...
Theodoros Tzouramanis, Michael Vassilakopoulos, Ya...
VLDB
1998
ACM
134views Database» more  VLDB 1998»
10 years 4 months ago
Design, Implementation, and Performance of the LHAM Log-Structured History Data Access Method
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...
Peter Muth, Patrick E. O'Neil, Achim Pick, Gerhard...
ADBIS
1999
Springer
80views Database» more  ADBIS 1999»
10 years 4 months ago
S*-Tree: An Improved S+-Tree for Coloured Images
In this paper we propose and analyze a new spatial access method, namely the S∗ -tree, for the efficient secondary memory encoding and manipulation of images containing multiple ...
Enrico Nardelli, Guido Proietti
BTW
2005
Springer
108views Database» more  BTW 2005»
10 years 5 months ago
Integrating the Relational Interval Tree into IBM's DB2 Universal Database Server
: User-defined data types such as intervals require specialized access methods to be efficiently searched and queried. As database implementors cannot provide appropriate index str...
Christoph Brochhaus, Jost Enderle, Achim Schlosser...
SIGCOMM
2005
ACM
10 years 5 months ago
Idle sense: an optimal access method for high throughput and fairness in rate diverse wireless LANs
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practica...
Martin Heusse, Franck Rousseau, Romaric Guillier, ...
ICDE
2010
IEEE
249views Database» more  ICDE 2010»
10 years 6 months ago
PARINET: A tunable access method for in-network trajectories
— In this paper we propose PARINET, a new access method to efficiently retrieve the trajectories of objects moving in networks. The structure of PARINET is based on a combination...
Iulian Sandu Popa, Karine Zeitouni, Vincent Oria, ...
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