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SIGMOD
2010
ACM
221views Database» more  SIGMOD 2010»
15 years 2 months ago
Low overhead concurrency control for partitioned main memory databases
Database partitioning is a technique for improving the performance of distributed OLTP databases, since “single partition” transactions that access data on one partition do no...
Evan P. C. Jones, Daniel J. Abadi, Samuel Madden
84
Voted
ACISP
2001
Springer
15 years 2 months ago
Private Information Retrieval Based on the Subgroup Membership Problem
Abstract. Many algorithmic problems, which are used to prove the security of a cryptographic system, are shown to be characterized as the subgroup membership problem. We then apply...
Akihiro Yamamura, Taiichi Saito
CIKM
2008
Springer
14 years 11 months ago
Learning the distance metric in a personal ontology
Personal ontology construction is the task of sorting through relevant materials, identifying the main topics and concepts, and organizing them to suit personal needs. Automatic c...
Hui Yang, Jamie Callan
100
Voted
CIKM
2010
Springer
14 years 8 months ago
You are where you tweet: a content-based approach to geo-locating twitter users
We propose and evaluate a probabilistic framework for estimating a Twitter user’s city-level location based purely on the content of the user’s tweets, even in the absence of ...
Zhiyuan Cheng, James Caverlee, Kyumin Lee
80
Voted
SIGMOD
2009
ACM
172views Database» more  SIGMOD 2009»
15 years 4 months ago
Self-organizing tuple reconstruction in column-stores
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
Stratos Idreos, Martin L. Kersten, Stefan Manegold