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DASFAA
2007
IEEE
141views Database» more  DASFAA 2007»
15 years 10 months ago
An Efficient Index Lattice for XML Query Evaluation
Abstract. We have defined an XML structural index called the Structure Index Tree (SIT), which eliminates duplicate structures arising from the equivalent subtrees in an XML docume...
Wilfred Ng, James Cheng
ALGORITHMICA
2004
132views more  ALGORITHMICA 2004»
15 years 6 months ago
A General Model for Authenticated Data Structures
Query answers from on-line databases can easily be corrupted by hackers or malicious database publishers. Thus it is important to provide mechanisms which allow clients to trust th...
Charles U. Martel, Glen Nuckolls, Premkumar T. Dev...
SAC
2005
ACM
15 years 12 months ago
A pivot-based index structure for combination of feature vectors
We present a novel indexing schema that provides efficient nearest-neighbor queries in multimedia databases consisting of objects described by multiple feature vectors. The beneļ¬...
Benjamin Bustos, Daniel A. Keim, Tobias Schreck
HOTOS
2007
IEEE
15 years 10 months ago
Hyperspaces for Object Clustering and Approximate Matching in Peer-to-Peer Overlays
Existing distributed hash tables provide efficient mechanisms for storing and retrieving a data item based on an exact key, but are unsuitable when the search key is similar, but ...
Bernard Wong, Ymir Vigfusson, Emin Gün Sirer
SPW
2004
Springer
15 years 11 months ago
Safe and Private Data Sharing with Turtle: Friends Team-Up and Beat the System
In this paper we describe Turtle, a peer-to-peer architecture for safe sharing of sensitive data. The truly revolutionary aspect of Turtle rests in its novel way of dealing with t...
Bogdan C. Popescu, Bruno Crispo, Andrew S. Tanenba...