Sciweavers

PVLDB
2011
13 years 2 months ago
An Incremental Hausdorff Distance Calculation Algorithm
The Hausdorff distance is commonly used as a similarity measure between two point sets. Using this measure, a set X is considered similar to Y iff every point in X is close to at ...
Sarana Nutanong, Edwin H. Jacox, Hanan Samet
PVLDB
2011
13 years 2 months ago
Merging What's Cracked, Cracking What's Merged: Adaptive Indexing in Main-Memory Column-Stores
Adaptive indexing is characterized by the partial creation and refinement of the index as side effects of query execution. Dynamic or shifting workloads may benefit from prelimi...
Stratos Idreos, Stefan Manegold, Harumi A. Kuno, G...
PVLDB
2011
13 years 2 months ago
Albatross: Lightweight Elasticity in Shared Storage Databases for the Cloud using Live Data Migration
Database systems serving cloud platforms must serve large numbers of applications (or tenants). In addition to managing tenants with small data footprints, different schemas, and ...
Sudipto Das, Shoji Nishimura, Divyakant Agrawal, A...
PVLDB
2011
13 years 2 months ago
CoHadoop: Flexible Data Placement and Its Exploitation in Hadoop
Hadoop has become an attractive platform for large-scale data analytics. In this paper, we identify a major performance bottleneck of Hadoop: its lack of ability to colocate relat...
Mohamed Y. Eltabakh, Yuanyuan Tian, Fatma Özc...
PVLDB
2011
13 years 2 months ago
Distance-Constraint Reachability Computation in Uncertain Graphs
Ruoming Jin, Lin Liu, Bolin Ding, Haixun Wang
PVLDB
2011
13 years 6 months ago
Synthesizing Products for Online Catalogs
Hoa Nguyen, Ariel Fuxman, Stelios Paparizos, Julia...
PVLDB
2011
13 years 6 months ago
Column-Oriented Storage Techniques for MapReduce
Users of MapReduce often run into performance problems when they scale up their workloads. Many of the problems they encounter can be overcome by applying techniques learned from ...
Avrilia Floratou, Jignesh M. Patel, Eugene J. Shek...
PVLDB
2011
13 years 6 months ago
Personalized Social Recommendations - Accurate or Private?
With the recent surge of social networks such as Facebook, new forms of recommendations have become possible – recommendations that rely on one’s social connections in order t...
Ashwin Machanavajjhala, Aleksandra Korolova, Atish...
PVLDB
2011
13 years 6 months ago
Implementing Performance Competitive Logical Recovery
New hardware platforms, e.g. cloud, multi-core, etc., have led to a reconsideration of database system architecture. Our Deuteronomy project separates transactional functionality ...
David B. Lomet, Kostas Tzoumas, Michael J. Zwillin...
PVLDB
2011
13 years 6 months ago
Social Content Matching in MapReduce
Matching problems are ubiquitous. They occur in economic markets, labor markets, internet advertising, and elsewhere. In this paper we focus on an application of matching for soci...
Gianmarco De Francisci Morales, Aristides Gionis, ...