Sciweavers

2715 search results - page 397 / 543
» Database Publication Practices
Sort
View
SIGMOD
2004
ACM
157views Database» more  SIGMOD 2004»
16 years 5 months ago
Holistic UDAFs at streaming speeds
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...
Graham Cormode, Theodore Johnson, Flip Korn, S. Mu...
133
Voted
SIGMOD
2003
ACM
88views Database» more  SIGMOD 2003»
16 years 5 months ago
Mapping Data in Peer-to-Peer Systems: Semantics and Algorithmic Issues
We consider the problem of mapping data in peer-topeer data-sharing systems. Such systems often rely on the use of mapping tables listing pairs of corresponding values to search f...
Anastasios Kementsietsidis, Marcelo Arenas, Ren&ea...
160
Voted
SIGMOD
2003
ACM
239views Database» more  SIGMOD 2003»
16 years 5 months ago
D(k)-Index: An Adaptive Structural Summary for Graph-Structured Data
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
Chen Qun, Andrew Lim, Kian Win Ong
151
Voted
PODS
2001
ACM
167views Database» more  PODS 2001»
16 years 5 months ago
Querying Websites Using Compact Skeletons
Several commercial applications, such as online comparison shopping and process automation, require integrating information that is scattered across multiple websites or XML docum...
Anand Rajaraman, Jeffrey D. Ullman
PODS
2004
ACM
96views Database» more  PODS 2004»
16 years 5 months ago
Roads, Codes and Spatiotemporal Queries
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
Sandeep Gupta, Swastik Kopparty, Chinya V. Ravisha...