Recursive Programs for Document Spanners
Published in DROPS (Schloss Dagstuhl – Leibniz Center for Informatics) • Jan 1, 2019
NobleIDNI8P51W30R45S89
Authors:,,
Liat Peterfreund
Balder ten Cate
Ronald Fagin
Abstract
A document spanner models a program for Information Extraction (IE) as a function that takes as input a text document (string over a finite alphabet) and produces a relation of spans (intervals in the document) over a predefined schema. A well-studied language for expressing spanners is that of the ...
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