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BS ISO 24617-1:2012:2013 Edition

$215.11

Language resource management. Semantic annotation framework (SemAF) – Time and events (SemAF-Time, ISO-TimeML)

Published By Publication Date Number of Pages
BSI 2013 170
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Temporal information in natural language texts is an increasingly important component to the understanding of those texts. This part of ISO 24617, SemAF-Time, specifies a formalized XML-based markup language called ISO-TimeML, with a systematic way to extract and represent temporal information, as well as to facilitate the exchange of temporal information, both between operational language processing systems and between different temporal representation schemes. The use of guidelines for temporal annotation has been fully attested with examples from the TimeBank corpus, a collection of 183 documents that have been annotated by TimeML before the current version of ISO-TimeML was formulated.

NOTE Throughout this document, SemAF-Time refers to the ISO 24617-1, while ISO-TimeML refers to the annotation language specified in this document.

PDF Catalog

PDF Pages PDF Title
11 1 Scope
2 Normative references
3 Terms and definitions
14 4 Overview
5 Motivation and requirements
15 6 Basic concepts and metamodel
18 7 Specification of ISO-TimeML
7.1 Overview
7.2 Abstract syntax
7.2.1 Introduction
19 7.2.2 Conceptual inventory
7.2.3 Syntax rules
7.2.3.1 General principles
7.2.3.2 Entity structures
20 7.2.3.3 Link structures
7.3 Concrete XML-based syntax
7.3.1 TimeML vs. ISO-TimeML: Stand-off annotation and other differences
22 7.3.2 Naming conventions
7.3.3 Example annotations
7.3.4 Basic elements: , , and
7.3.4.1
25 7.3.4.2
27 7.3.4.3
28 7.3.5 Link elements: , , and
7.3.5.1
30 7.3.5.2
31 7.3.5.3
32 7.3.5.4
7.3.6 Other tags: , and
7.3.6.1 and
34 7.3.6.2 The root element
36 8 Towards a semantics for ISO-TimeML
8.1 Overview
8.2 Tense and aspect in language
8.2.1 Tense
8.2.2 Aspect
37 8.3 Temporal relations
38 8.4 An interval-based semantics for ISO-TimeML
8.4.1 Technical preliminaries for interval temporal logic
39 8.4.2 Basic event-structure
8.4.2.1 Sample annotation
8.4.2.2 Representation in a first-order formula
8.4.2.3 Interpretation rules
40 8.4.2.4 Negated events
41 8.4.3 The interpretation of
8.4.3.1 Three types of elements
8.4.3.2 Unquantified element
42 8.4.3.3 Quantifying element
43 8.4.3.4 Quantifying element with unquantified complements
45 8.4.3.5 Quantifying elements with quantified complements
46 8.4.4 Interpretive rule summary
47 8.5 An event-based semantics for ISO-TimeML
8.5.1 Introduction
48 8.5.2 Defining an event-based semantics
8.5.2.1 General
8.5.2.2 Elements from the conceptual inventory
49 8.5.2.3 Event annotations
8.5.2.4 Interval annotations
8.5.2.5 Instant annotations
8.5.2.6 Time-amount annotations
8.5.2.7 Temporal relation annotations
8.5.2.8 Temporal anchoring structures
8.5.2.9 Temporal relation structures
50 8.5.2.10 Time measurement structures
8.5.2.11 Subordination structures
8.5.2.12 Aspectual structures
8.5.2.13 Formal semantics of these representations
BS ISO 24617-1:2012
$215.11