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PODS
2008
ACM
165views Database» more  PODS 2008»
16 years 25 days ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
PODS
2008
ACM
155views Database» more  PODS 2008»
16 years 25 days ago
The recovery of a schema mapping: bringing exchanged data back
A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been transferred from the source to the targ...
Marcelo Arenas, Jorge Pérez, Cristian River...
100
Voted
EDBT
2004
ACM
122views Database» more  EDBT 2004»
16 years 25 days ago
Sketch-Based Multi-query Processing over Data Streams
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
Alin Dobra, Minos N. Garofalakis, Johannes Gehrke,...
MOBIHOC
2008
ACM
16 years 8 days ago
Dynamic packet fragmentation for wireless channels with failures
It was shown recently [7?9], under quite general conditions, that retransmission-based protocols may result in power-law delays and possibly zero throughput even if the distributi...
Predrag R. Jelenkovic, Jian Tan
156
Voted

Publication
466views
15 years 11 months ago
Multi-Armed Bandit Mechanisms for Multi-Slot Sponsored Search Auctions
In pay-per click sponsored search auctions which are cur- rently extensively used by search engines, the auction for a keyword involves a certain number of advertisers (say k) c...
Akash Das Sarma, Sujit Gujar, Y. Narahari