Chapter published in:
Case Studies in Fluid Construction Grammar: The verb phraseEdited by Luc Steels and Katrien Beuls
[Benjamins Current Topics 106] 2019
► pp. 5–52
Basics of Fluid Construction Grammar
Fluid Construction Grammar (FCG) is a fully operational computational platform
for developing grammars from a constructional perspective. It contains
mechanisms for representing grammars and for using them in computational
experiments and applications in language understanding, production and learning.
FCG can be used by grammar writers who want to test whether their grammar
fragments are complete and coherent for the domain they are investigating (for
example verb phrases) or who are working in a team and have to share grammar
fragments with others. It can be used by computational linguists implementing
practical language processing systems or exploring how machine learning
algorithms can acquire grammars. This paper introduces some of the basic
mechanisms of FCG, illustrated with examples.
Article outline
 1.Introduction
 2.The semiotic cycle
 2.1Components of the semiotic cycle
 2.2Linguistic pathways

3.Transient structures
 3.1Feature structures
 Units
 Symbols
 Values
 Variables
 3.1Feature structures
 4.Construction schemas
 4.1Rewrite rules using feature structures
 4.2Representing construction schemas
 4.3Interfacing

5.Constructional processing
 5.1Adding meaning
 5.2The formulation and comprehension lock
 5.3An example of comprehension
 5.4An example of formulation
 6.Argument structure constructions
 6.1The double object construction
 6.2A formulation example
 6.3A comprehension example
 7.Other grammatical perspectives
 8.Conclusions

Acknowledgements 
References
Published online: 09 October 2019
https://doi.org/10.1075/bct.106.cf.00002.ste
https://doi.org/10.1075/bct.106.cf.00002.ste
References
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