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Questions tagged [semantic-analysis]

In machine learning, semantic analysis of a corpus is the task of building structures that approximate concepts from a large set of documents.

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Finding semantic similarity and relations between different words

I am working on a project which involves computation of relatedness between different concepts. Examples: "landing" - related to: "to arrive; to come" and "land", "telephone" - related to: "electronic; electricity" and "to talk; to…
user655136
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Training set - proportion of pos / neg / neutral sentences

I am hand tagging twitter messages as Positive, Negative, Neutral. I am try to appreciate is there some logic one can use to identify of the training set what proportion of message should be positive / negative and neutral ? So for e.g. if I am…
Rahul Dighe
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LR-attributed parser Technique

I would like to know what LR-attributed parsers can do and how it is implemented. yacc generated parsers allow inherited attributes when the source of the attribute is a sibling that is located to the left using the $0, $-1, etc. specification…
user764754
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semantic analysis opensource tool - suggestions needed

I've a book review site, where readers can write reviews about books, other users can post comments. I wanted to know following things automatically whenever new review publish or new comment published. (1) whether book review is positive or not?…
dr_sunshine
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The smallest number of containers that contain all given elements

Suppose C refers to a set of containers {c1,c2,c3....cn}, where each of these containers contains a finite set of integers {i1,i2,i3...im}. Further, suppose that it is possible for an integer to exist in more than one container. Given a finite set…
Traveling Salesman
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semantic type checking analysis in bison

I've been trying to find examples everywhere but it's been in vain. I am trying to write a basic Ruby interpreter. For this, I wrote a flex lexical file, containing token recognition sentences, and a grammar file. I wish for my grammar to contain…
SoManyGoblins
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How to tell if two web contents are similar?

Given 2 html sources, I want to first extract the main content out of it using something like this. Are there any other better libraries - I am specifically looking for Python/Javascript ones? Once I have the two extracted contents, I want to return…
pathikrit
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AST trees semantic analyzer

The last nodes of an AST tree must have the information of the traduction of the semantic analyzer or the non-last nodes also can have this information?
pablomarti
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Checking linguistic validity

Are there any [open source] code libraries for checking a sentence's linguistic validity according to syntax and semantics?
NodeG
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The construction of semantic analyser

In the process of learning about compilers a wrote a simple tokenizer and parser (recursive descent). The parser constructs an abstract syntax tree. Now I am going with semantic analysis. However I have a few questions about a construction of…
Ady Shlock
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Symbol table and semantic analysis for compiler

I'm working on building a compiler (without using any tools -like lex or bison) for a C like language (a simpler one) and have gotten past the lexer and parser. I am not sure the way I am doing the parser is correct or not. Because, so far to do the…
beanyblue
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Multilanguage OpenCalais like system?

I was very impressed with the OpenCalais system. It's (is/has) a web service where you send your text, they analyze it, then you are provided with a series of categorized (RDF enabled) tags that your document belongs to. But - at the moment -…
Claudio
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How do I translate LR(1) Parse into a Abstract syntax tree?

I have coded a table driven LR(1) parser and it is working very well however I am having a bit of a disconnect on the stage of turing a parse into a syntax tree/abstract syntax tree. This is a project that I m very passionate about but I have really…
Devin Wall
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Syntax directed translation

I am trying to write the semantic rules for syntax directed translation of an expression following a given cfg into 3 code representation. Consider, Here, Why is || operator required ? gen() is the only thing needed it seems as it does what is…
Novak007
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Translation from plain English to a set of instruction

I have a set of instructions, for example Linux's "ls", "grep", "cd", etc. I want the user to be able to execute this commands without knowing the exact names and parameters but rather with something similar to their meaning in plain English, e.g.…
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