Sciweavers

3514 search results - page 351 / 703
» On Moving Object Queries
Sort
View
ATAL
2007
Springer
16 years 27 days ago
Eliciting single-peaked preferences using comparison queries
Voting is a general method for aggregating the preferences of multiple agents. Each agent ranks all the possible alternatives, and based on this, an aggregate ranking of the alter...
Vincent Conitzer
202
Voted
STACS
2012
Springer
14 years 2 months ago
Linear-Space Data Structures for Range Mode Query in Arrays
A mode of a multiset S is an element a ∈ S of maximum multiplicity; that is, a occurs at least as frequently as any other element in S. Given an array A[1 : n] of n elements, we...
Timothy M. Chan, Stephane Durocher, Kasper Green L...
SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
16 years 7 months ago
Continuous obstructed nearest neighbor queries in spatial databases
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
Yunjun Gao, Baihua Zheng
157
Voted
DEXA
1999
Springer
87views Database» more  DEXA 1999»
15 years 11 months ago
SECONDO/QP: Implementation of a Generic Query Processor
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...
Ralf Hartmut Güting, Stefan Dieker, Claudia F...
PVLDB
2010
118views more  PVLDB 2010»
15 years 5 months ago
Ten Thousand SQLs: Parallel Keyword Queries Computing
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
Lu Qin, Jefferey Yu, Lijun Chang