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» Authenticated Index Structures for Aggregation Queries
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SIGMOD
2006
ACM
174views Database» more  SIGMOD 2006»
14 years 5 months ago
Dynamic authenticated index structures for outsourced databases
In outsourced database (ODB) systems the database owner publishes its data through a number of remote servers, with the goal of enabling clients at the edge of the network to acce...
Feifei Li, Marios Hadjieleftheriou, George Kollios...
PODS
2011
ACM
238views Database» more  PODS 2011»
12 years 8 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
SIGMOD
2009
ACM
157views Database» more  SIGMOD 2009»
14 years 5 months ago
Authenticated join processing in outsourced databases
Database outsourcing requires that a query server constructs a proof of result correctness, which can be verified by the client using the data owner's signature. Previous aut...
Yin Yang, Dimitris Papadias, Stavros Papadopoulos,...
INFSOF
2007
98views more  INFSOF 2007»
13 years 5 months ago
Indexing range sum queries in spatio-temporal databases
Although spatio-temporal databases have received considerable attention recently, there has been little work on processing range sum queries on the historical records of moving ob...
Hyung-Ju Cho, Chin-Wan Chung
VLDB
1990
ACM
106views Database» more  VLDB 1990»
13 years 9 months ago
The Time Index: An Access Structure for Temporal Data
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
Ramez Elmasri, Gene T. J. Wuu, Yeong-Joon Kim