Questions tagged [computational-linguistics]

A branch of science that uses computers and mathematical methods to construct and investigate linguistic theory. Its technological and algorithmic implementation is called NLP.

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513 views

Small English parser written in Java

I need an English parser written in Java with a small memory/processing input. I have used the Stanford parser, but it is rather heavy. I am also considering using the link grammar parser, which is ...
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Word frequency list for agglutinative languages like Swahili?

I'm an intermediate Swahili speaker looking to substantially increase the size of my vocabulary over the next couple weeks. However, I want to optimize my learning curve by focusing on the first 2000 ...
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How do I get 'hosted' from 'He had a party at his house'?

I'm new to NLP so bear with me if this isn't possible yet. I am interested in taking a sentence like 'He had a party at his house' to 'He hosted a party at his house' or simply the verb 'hosted'. Is ...
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1answer
410 views

Why do we need machine translation evaluation?

Why is it that we need machine translation evaluation? If we have subjective evaluation measures why do we need automatic evaluation? As most of the automatic evaluation metrics are unable to capture ...
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1answer
1k views

Looking for a Free Lexical Analyser

I need to do a quantitative analysis to a medieval text. I need to get some basic information like the total number of the words, their frequencies and the concordances. Does anyone know about a ...
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1answer
602 views

Entity level Sentiment Analysis

I've been working on document level sentiment analysis over the last year. Document level sentiment analysis provides the sentiment of the complete document. For example - The text "Nokia is good but ...
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1answer
223 views

How to parse text too variable for formal grammars but too constrained for NLP?

I'm dealing with a corpus of text that is written informally, but generally conforms to a very standard format by convention (think something like Froyo Frozen Yogurt, Smucker's Peanut Butter) and ...
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Searching for a Spanish word list for statistical analysis [closed]

I need a Spanish word list, as simple as that. The more complete it is, the better, it should contain as many words as to be a statistically relevant sample. It can be in any format: XML, MS Excel, ....
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2answers
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What word has the most valid meanings, across multiple different languages? (interlingual homographs) [closed]

What word is valid across the largest number of different languages, and as different part-of-speech? (The precise term is interlingual homographs/heteronyms/polysemes) Examples: 'rate' is both ...
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Is there a well-established metric to measure the effectiveness of a parsing algorithm?

My understanding that 100% accurate parsing (analyzing a text and creating a syntactic tree) is an impossible task for computational linguistics at this moment. However, there are many heuristics or ...
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2k views

Efficient linguistic algorithms for detecting language of a website?

Some browser addons and web-services for website/dictionary translation sometimes offer a "automatic-language-detection" feature. This works more or less in my experience. There is probably a variety ...
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5k views

What does a computational linguist actually do?

Currently, I working on my application for the Bachelor of Philosophy program at Penn State to major in cognitive linguistics, but at I am also a computer science major, my advisor wants me to ...
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What are the fundamental differences between Natural Language Processing and Computational Linguistics?

I have a vague knowledge regarding those two fields, but I admit there are some fundamental concepts that I lack. So, if we had to write down the actual differences between these two fields, what ...
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7k views

A comprehensive list of conceptual metaphors

Is there a comprehensive list of conceptual metaphors? (Either man-made, crowdsourced or based on data-mining / corpora analysis.) By a conceptual metaphor I mean a relation in the spirit of George ...
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1answer
229 views

Is there an automatic way of identifying transitive verbs in Computational Linguistics?

Is there any straightforward way of identifying transitive verbs (or sentences containing transitive constructions) in an BrE English text? I've looked into semantic shallow parsers, such as Semafor, ...
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1answer
5k views

How to identify character names in a body of text?

I'm trying to research methods of identifying or pattern matching names of characters in a novel or a general body of text, but so far my search has been unsuccessful, since "character" refers to ...
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1answer
158 views

Book text analysis tools

Is there any open source software to automatically extract information from a book: genre, style, location and time of the story, characters, etc?
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5answers
3k views

Which language would be easiest for a computer to parse?

I have an idea for a programming language that would work more like a spoken language. "sentences" would have an initial context in which specific subjects, verbs, and objects would have meaningful ...
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1answer
422 views

Is there a standard corpus against which to benchmark mechanical parsers?

I was wondering if there is a published standard corpus of English sentences which are confounding for mechanical parsers. I am looking over sentences given here, and I have the following (very short) ...
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2answers
770 views

Is the commutative CFG in the mathematical linguistics literature?

I am shocked that Linguists have not given a reasonably small canonical computationally precise representation of any natural language yet, so I wrote a recent EL&U post to explain how one does ...
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1answer
575 views

Do Sign Languages have ambiguities?

I just noted that there exists a whole literature on Sign Language. I didn't even know there existed more than one... It's very interesting now. :) I then found computers can already interpret some ...
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298 views

Are there papers/books about complex sentence formation in English?

I'd like to transform complex sentences into one set of simple sentences. I can't find any solution, so I want to study formation of complex sentences. What are the most comprehensive and most ...
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1answer
350 views

Looking for XML for English language grammar instruction

Some colleagues and I would like to put together a grammar compendium to teach English grammar and would like to record the rules and examples in XML so as to increase the kinds of ways it can be ...
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1answer
301 views

How to represent an English language sentence in a standard data structure for further analysis?

I am working on a project of "AUTOMATED ESSAY EVALUATION". There will be an student answer and a standard/model answer. These two answers are formatted into a standard format. Thereafter these two ...
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1answer
147 views

Machine-readable list of abbreviations

Is there a list of standard abbreviations/acronyms available for computational linguistics tasks? I understand 'standard' is a subjective term here but anything that is not too domain specific(not a ...
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1answer
82 views

What does a dictionary need so that a computer can use it to determine the grammaticality of a given string?

I would imagine that it would need a full list of all the forms of all the words, but how much information would need to be told to the computer about each word in order for it to know enough to judge ...
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1answer
456 views

What defines a unique writing style?

I'm an amateur writer that happens to be a professional programmer. I say this because I've recently jumped back into a personal research project in which the goal is to automate the de-anonymization ...
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1answer
174 views

Textual Commitment

I am working on question answering problem. The major task is to understand text and convert complex sentences to simpler sentences i.e Textual Commitments using Conventional implicature and ...
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288 views

Computational models of language acquisition

What are currently used computational models/frameworks of language acquisition? Desired features: models that are biologically plausible (such as neural networks). Personally, I have used cascade ...
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7answers
5k views

Looking for a good beginners reference to learn computational linguistics

Recently in my work I came across the Backus–Naur Form (BNF), one way of describing a context-free grammar. Since then, I've been interested in learning how to deconstruct and parse not only computing ...
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2answers
603 views

What are the motivations for which direction syntactic trees are built in (top down or bottom up)?

When I learned x-bar theory, there seemed to be an implicit assumption that trees were built top-down, from IP or CP to the VP and its complement, etc. However, as I am learning more about Minimalism (...
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1answer
736 views

Automatic phonetic transcription of speech: is it still a difficult problem?

A friend was asking me why there aren't any programs that can analyze a user's pronunciation of words and then give feedback/suggestions. Indeed, given an accurate phonetic transcription of a ...
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1answer
448 views

Dictionary of atypical syllabication

I am a literacy researcher looking to create an add on package in R that offers quantitative methods for discourse analysis. I am creating a function for taking a chunk of text and measuring the ...
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3answers
270 views

Is there a term for “the number of words that must follow a given word to complete a phrase”?

I've been struggling, for a couple of months now to find the term for a concept from computational linguistics. It means something like: the minimum number of words that need to be placed after a ...
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10k views

How to test if a string of words is a grammatical sentence

Is there a way to test to see if a string of words forms a complete sentence? For example: The dog jumped over the fence == Good The cat square seven the triangle == BAD I was thinking the type ...
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355 views

How to decrease CRF++ feature function set?

I have a problem with the CRF++ Package. CRF++ cannot handle large training parts-of-speech corpora (large tagset and large number of words). In fact, the number of feature functions automatically ...
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2answers
2k views

Are there any statistics or web services for n-grams of frequent English words?

I found this for six common subjects. But it doesn't contain the complete statistics about all common English words.
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1answer
319 views

Wordnet and Ontology software

Are there any software or tools for Ontology and WordNet development?
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1answer
2k views

Automatic/Computational Language Detection in Speech

Are there any packages that do much the same thing for audio/speech that the langid component/corpus of NLTK does for written text? The langid corpus/tool makes surprisingly accurate guesses about a ...
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981 views

Are there any linguistic toollkits for PowerShell or .NET?

In the past when I was an active Python coder I played a bit with NLTK and learned some basic linguistic terminology. But meanwhile I shifted to PowerShell and I have abandoned coding in Python. ...

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