"The meaning of a model that is well-formed according to the syntax of a language." (Anneke Kleppe et al, "MDA Explained: The Model Driven Architecture: Practice and Promise", 2003)
"The part of language concerned with meaning. For example, the phrases 'my mother’s brother' and 'my uncle' are two ways of saying the same thing and, therefore, have the same semantic value." (Craig F Smith & H Peter Alesso, "Thinking on the Web: Berners-Lee, Gödel and Turing", 2008)
"The study of meaning (often the meaning of words). In business systems we are concerned with making the meaning of data explicit (structuring unstructured data), as well as making it explicit enough that an agent could reason about it." (Danette McGilvray, "Executing Data Quality Projects", 2008)
"The branch of philosophy concerned with describing meaning." (David C Hay, "Data Model Patterns: A Metadata Map", 2010)
"Having to do with meaning, usually of words and/or symbols (the syntax). Part of semiotic theory." (DAMA International, "The DAMA Dictionary of Data Management", 2011)
"The study of the meaning behind the syntax (signs and symbols) of a language or graphical expression of something. The semantics can only be understood through the syntax. The syntax is like the encoded representation of the semantics." (DAMA International, "The DAMA Dictionary of Data Management", 2011)
"The study of meaning. In the context of Big Data, semantics is the technique of creating meaningful assertions about data objects. A meaningful assertion, as used here, is a triple consisting of an identified data object, a data value, and a descriptor for the data value. In practical terms, semantics involves making assertions about data objects (i.e., making triples), combining assertions about data objects (i.e., merging triples), and assigning data objects to classes; hence relating triples to other triples. As a word of warning, few informaticians would define semantics in these terms, but I would suggest that most definitions for semantics would be functionally equivalent to the definition offered here." (Jules H Berman, "Principles of Big Data: Preparing, Sharing, and Analyzing Complex Information", 2013)
"Set of mappings forming a representation in order to define the meaningful information of the data." (Hamid R Arabnia et al, "Application of Big Data for National Security", 2015)
"Semantics is a branch of linguistics focused on the meaning communicated by language." (Alex Thomas, "Natural Language Processing with Spark NLP", 2020)
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