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SPIRE
2005
Springer
16 years 6 days ago
Using the k-Nearest Neighbor Graph for Proximity Searching in Metric Spaces
Proximity searching consists in retrieving from a database, objects that are close to a query. For this type of searching problem, the most general model is the metric space, where...
Rodrigo Paredes, Edgar Chávez
SSD
2005
Springer
116views Database» more  SSD 2005»
16 years 6 days ago
PA-Tree: A Parametric Indexing Scheme for Spatio-temporal Trajectories
Abstract. Many new applications involving moving objects require the collection and querying of trajectory data, so efficient indexing methods are needed to support complex spatio...
Jinfeng Ni, Chinya V. Ravishankar
VLDB
2005
ACM
122views Database» more  VLDB 2005»
16 years 6 days ago
Optimizing Nested Queries with Parameter Sort Orders
Nested iteration is an important technique for query evaluation. It is the default way of executing nested subqueries in SQL. Although decorrelation often results in cheaper non-n...
Ravindra Guravannavar, H. S. Ramanujam, S. Sudarsh...
VLDB
2005
ACM
121views Database» more  VLDB 2005»
16 years 6 days ago
Online Estimation For Subset-Based SQL Queries
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
Chris Jermaine, Alin Dobra, Abhijit Pol, Shantanu ...
VLDB
2005
ACM
105views Database» more  VLDB 2005»
16 years 6 days ago
WmXML: A System for Watermarking XML Data
As increasing amount of data is published in the form of XML, copyright protection of XML data is becoming an important requirement for many applications. While digital watermarki...
Xuan Zhou, HweeHwa Pang, Kian-Lee Tan, Dhruv Mangl...
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