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NAACL
2003
13 years 9 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
13 years 11 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»
12 years 11 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»
13 years 11 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
14 years 4 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