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» Searching for Rare Objects Using Index Replication
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VLDB
2002
ACM
124views Database» more  VLDB 2002»
14 years 8 months ago
Efficient retrieval of similar shapes
Abstract. We propose an indexing technique for the fast retrieval of objects in 2D images based on similarity between their boundary shapes. Our technique is robust in the presence...
Davood Rafiei, Alberto O. Mendelzon
ISCI
2007
141views more  ISCI 2007»
13 years 7 months ago
A performance comparison of distance-based query algorithms using R-trees in spatial databases
Efficient processing of distance-based queries (DBQs) is of great importance in spatial databases due to the wide area of applications that may address such queries. The most repr...
Antonio Corral, Jesús Manuel Almendros-Jim&...
SIGMOD
2012
ACM
253views Database» more  SIGMOD 2012»
11 years 10 months ago
Skew-aware automatic database partitioning in shared-nothing, parallel OLTP systems
The advent of affordable, shared-nothing computing systems portends a new class of parallel database management systems (DBMS) for on-line transaction processing (OLTP) applicatio...
Andrew Pavlo, Carlo Curino, Stanley B. Zdonik
SIGMOD
2012
ACM
209views Database» more  SIGMOD 2012»
11 years 10 months ago
Locality-sensitive hashing scheme based on dynamic collision counting
Locality-Sensitive Hashing (LSH) and its variants are wellknown methods for solving the c-approximate NN Search problem in high-dimensional space. Traditionally, several LSH funct...
Junhao Gan, Jianlin Feng, Qiong Fang, Wilfred Ng
JCDL
2006
ACM
92views Education» more  JCDL 2006»
14 years 1 months ago
Probabilistic, object-oriented logics for annotation-based retrieval in digital libraries
In this paper we introduce POLAR, a probabilistic objectoriented logical framework for annotation-based information retrieval. In POLAR, the knowledge about digital objects, annot...
Ingo Frommholz, Norbert Fuhr