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TREC
2001
15 years 13 days ago
PiQASso: Pisa Question Answering System
PiQASso is a Question Answering system based on a combination of modern IR techniques and a series of semantic filters for selecting paragraphs containing a justifiable answer. Se...
Giuseppe Attardi, Antonio Cisternino, Francesco Fo...
ADBIS
2005
Springer
147views Database» more  ADBIS 2005»
15 years 4 months ago
Declarative Data Fusion - Syntax, Semantics, and Implementation
In today’s integrating information systems data fusion, i.e., the merging of multiple tuples about the same real-world object into a single tuple, is left to ETL tools and other ...
Jens Bleiholder, Felix Naumann
PVLDB
2008
83views more  PVLDB 2008»
14 years 10 months ago
Clustera: an integrated computation and data management system
This paper introduces Clustera, an integrated computation and data management system. In contrast to traditional clustermanagement systems that target specific types of workloads,...
David J. DeWitt, Erik Paulson, Eric Robinson, Jeff...
VLDB
2004
ACM
128views Database» more  VLDB 2004»
15 years 11 months ago
Operator scheduling in data stream systems
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or realtime query responses in su...
Brian Babcock, Shivnath Babu, Mayur Datar, Rajeev ...
PODS
2005
ACM
147views Database» more  PODS 2005»
15 years 11 months ago
Peer data exchange
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
Ariel Fuxman, Phokion G. Kolaitis, Renée J....