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NAACL
2003
14 years 11 months ago
Learning to Paraphrase: An Unsupervised Approach Using Multiple-Sequence Alignment
We address the text-to-text generation problem of sentence-level paraphrasing — a phenomenon distinct from and more difficult than word- or phrase-level paraphrasing. Our appro...
Regina Barzilay, Lillian Lee
FLOPS
2004
Springer
15 years 1 months ago
Implementing Natural Rewriting and Narrowing Efficiently
Abstract. Outermost-needed rewriting/narrowing is a sound and complete optimal demand-driven strategy for the class of inductively sequential constructor systems. Its parallel exte...
Santiago Escobar
ICDT
2011
ACM
270views Database» more  ICDT 2011»
14 years 1 months ago
On the equivalence of distributed systems with queries and communication
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
Serge Abiteboul, Balder ten Cate, Yannis Katsis
WEBDB
2000
Springer
136views Database» more  WEBDB 2000»
15 years 1 months ago
An Optimization Technique for Answering Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
Gösta Grahne, Alex Thomo
SOFSEM
2010
Springer
15 years 6 months ago
Improved Matrix Interpretation
We present a new technique to prove termination of Term Rewriting Systems, with full automation. A crucial task in this context is to find suitable well-founded orderings. A popul...
Pierre Courtieu, Gladys Gbedo, Olivier Pons