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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Conversational English corpus for download

I have a project which requires a corpus of conversational English in plain text (although I can perform some processing as needed). Since I am a student, I need to find a corpus that is free and ...
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2answers
68 views

What is the relationship between lambda calculus and logical form?

I was first introduced to lambda calculus as a way to use syntax to compose the semantic value of a phrase from the semantic values of the components of that phrase. Lambda calculus does more than ...
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72 views

How to represent a dative verb in first order logic?

I understand that the representation of an intransitive verb, V in lambda calculus would be lambda x. V(x), where x is the subject. How do I represent an intransitive verb followed by a ...
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1answer
51 views

Detection if input sentence represents an incomplete sentence?

I am curious if there is an automated way to detect if a given string, representing a sentence, is an 'incomplete' sentence. By this I mean that either the text is not grammatically correct, or is ...
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1answer
44 views

Evaluate idea to autobuild russian-english parallel corpus

I was looking for russian-english parallel corpus, but have found none publicly available to the moment. If you know one, or parallel text database, I would be very grateful for one. (I heard of ...
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2answers
49 views

Is it possible to build thesaurus automatically?

Is it possible to build thesaurus by simply analyzing lots of text, or it's obligatory should be handmade? Also a question: is there free-to-download&use English language thesaurus?
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70 views

Determine adjective order algorithmically

Does NLTK (or any other Python natural language module) have the ability to determine the order of multiple modifier adjectives? For example: metal round huge bowl (incorrect) huge round metal bowl ...
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0answers
37 views

Textbooks in Formal Semantics / Montague semantics

I'm looking for a cheap, thorough but reasonably accessible introduction to formal semantics. There appear to be lots of options on the market. I assume there are plenty of experts in formal semantics ...
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0answers
61 views

What are the foundational papers in computational phonology?

I'm working on a paper on the history of computational phonology. As I understand it, Chomsky & Halle's SPE acted as a catalyst for research in the field, namely by laying the foundations for ...
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1answer
107 views

Combine dictionary lemmatization with stemmer

I'm doing lemmatization as part of a classifier right now. My question is, if it makes sense to first use a dictionary lookup, to find the lemmas (wordnet) and after that additionally, to apply a ...
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1answer
102 views

Can the entropy per word be caculated precisely?And relation among information theory, semantics, and pragmatics

What we have gotten about the expected per word entropy of random yet grammatical text is just some upper bound of the the expected per word entropy, because we have not found the exact way to compute ...
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124 views

copyright issues when making a corpus from the web

I realize that this is probably technically off-topic as it relates to copyright legalities of corpus construction. However, it is a practically very important issue for corpus linguistics and so I ...
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11 views

Identifying styles of reasoning in text

I'm trying to programmatically identify in a text some elements of "style of reasoning". I'm more specifically thinking about syllogism, induction, abduction, deduction, etc. More generally i would ...
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63 views

Stanford NLP parsers and idioms that have common semantic meaning

I have parsed the following sentence in the Stanford CoreNLP demo page and the Stanford parser demo page. Although both result in a parse that can imply purpose semantics (hinging on the advcl and the ...
2
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1answer
61 views

Center of a set of words

Is there any available algorithm that can take a set of words and attempt to find a word that best represents the "center of mass" of all those words? This would be easy if we can define a distance ...
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3answers
154 views

Has anyone attempted to simulate the creation/development of a language?

I suspect this is a dream confined to sci-fi for at least a few decades, but, I'd like to know if anyone has ever tried to create a computer model for the creation of a language, or at least ...
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1answer
177 views

NLP conversion between parts of speech and pertainyms?

I would like to write a program that can automatically group e.g. 'happiness', 'happily', 'happy' into 'happy': What do I need to read to get a handle on this subject? What is it called? What is the ...
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32 views

Where to find a dataset of related/sister terms

I'm working on a Natural Language Processing project that requires me to automatically categorize various articles. I've tried creating categories based on wikipedia, freebase and dbpedia but often ...
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1answer
183 views

Finding the root of an Aramaic or Hebrew word

I'm trying to make a dictionary on the web where people can automatically look up words in a text they're reading online. While I have the words and their definitions, the problem is that many times ...
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5answers
283 views

Introduction to linguistics from a practical application standpoint

I currently have a project that I need to do that involves quite a bit of computational linguistics. My background in linguistics is very high level - I wonder if there are any good introductory ...
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38 views

Switchboard queries with NXT (the TEXT function)

The NXT query language includes the query function TEXT, which should return the textual content of the variable it applies to. In theory, Switchboard should support this. The file ...
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1answer
127 views

Are there any words that have changed usage/meaning multiple times (multiple semantic shifts) from 1850s to present time [closed]

I am interested in semantic shift undergone by words, and I am aware of classic examples like 'gay', which has shifted in meaning since the 1900s. However, are there any words that have actually ...
2
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1answer
287 views

Why are functional/logic programming languages like Prolog or Haskell popular with computational linguistics and AI?

This may be the wrong place to be asking this, but I'm not entirely sure what kind of advantage using a language like Prolog gives you over an Object-Oriented language like Python. Also, is there a ...
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1answer
56 views

Looking for a Morphology Database

This is my first StackExchange post, so please let me know if I need to add additional information. I am looking for a comprehensive database that has words broken down by their morphology. For ...
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1answer
515 views

What is the entropy per word of random yet grammatical text?

It has been suggested that to construct an uncrackable yet memorable passphrase with 256-bits of entropy, the passphrase should be manifested as a poem. The answerer made an estimation of the entropy ...
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2answers
167 views

Which dependency parsers take auxiliaries to to be heads over content verbs and prepositions to be heads over their complements?

The Universal Stanford Dependencies (USD) parsing scheme subordinates auxiliary verbs to content verbs and prepositions to their complements: ...
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33 views

Do stop words in any language significantly overlap content words in other languages?

I'm currently dealing with analyzing text with mixed languages. I could try to segment the articles by their language, and proceed with stop word removal and stemming, but I was wondering if the set ...
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2answers
180 views

Noise Removal -Text classification

I am doing a text classification task. My text is questions and answers in a community question answering website. I want to extract tags from the title , existing tags, and BODY of the questions and ...
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1answer
36 views

“Rate” or “score” a word by various parameters

I’m working on a small project which involves a large list of words (single words, no sentence) and I would love to have a way to “rate” or “score” each word by some parameters. Right now I have two ...
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2answers
165 views

Two sentences with the same meaning

I am looking for a statistical or linguistic method that could give the degree of similarity between the meaning of two sentences. I have found in literature many distance measures (euclidean ...
2
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0answers
145 views

Formal Language theory (context free grammars, pushdown automata)

Does anyone know any good introductions to Formal Language theory and Formal Grammar, that covers the mathematical basis of Syntax and things like context free grammars and pushdown automata? In ...
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64 views

Quality of multiple step translation

Say I have 2 dictionaries English<->Spanish Spanish<->French I want to translate from English to French. I wonder, how good will be quality of translation in this case? How much better is to ...
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1answer
115 views

Software to measure F-Score (formality) in English

Francis Heylighen and Jean-Marc Dewaele defined a measure of language formality called "F-Measure" in a paper published in 1999 titled "Formality of Language: definition, measurement and behavioral ...
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58 views

Node level with Stanford dependency parser

I am trying to find a way to select the node(word) level using Stanford dependency parser. But, i haven't found any method that help to get the node level. I will be very grateful for your help
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2answers
116 views

Does translation software use syntactic trees?

I'm a multilingual, and since syntax structures vary between various languages, it seems intuitive to me that translation software use syntactic rules to translate between languages. But when I see ...
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120 views

I am looking for an Arabic ngram corpus

I am working in a project where i need to use an ngram model. So, i want to know if an Arabic ngram corpus exist. I have tried to find a corpus but all my researches failed. I know that for languages ...
4
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1answer
182 views

Which part of speech are 's' and 'r' in Wordnet?

From taking the synset of the word 'fantastic', I got a list of senses below: [Synset('antic.s.01'), Synset('fantastic.s.02'), Synset('fantastic.s.03'), Synset('fantastic.s.04'), ...
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100 views

Describing recursive structures with regular expresions as grammars

I found in a book about regular expression grammars something that said RE's can be used to describe sentences like this ‘the brown tea pot’ by using re like this np = ...
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3answers
585 views

Are there natural languages that do not obey Zipf's law?

Is there a natural language which is known not to follow Zipf's law? I'm interested to see if it's really universal. This is what Zipf's law states: Zipf's law states that given some corpus of ...
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2answers
179 views

What is the most efficient way to store n-grams in a database / data structure?

Let's assume we have Google's 1T n-grams. I want to be able to: Search for n-grams containing all of a set of words (such as finding all n-grams containing the words "dog" and "bone" in any ...
4
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0answers
133 views

Tool for building a corpus by crawling the web?

Often I want to make my own corpus of a new language I've become interested in. I'm very happy to make my own tools and have plenty of programming experience. I have made my own tool to gather plain ...
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1answer
188 views

Is perplexity in SRILM normalized for sentence length?

If I generate a language model with SRILM's ngram-count and then use ngram -unk -ppl text -lm model to get log probabilities and perplexity values, are the perplexities normalized for sentence length? ...
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6answers
222 views

Does the P versus NP conjecture in computer science have any direct relevance to linguistics?

“The P versus NP problem is a major unsolved problem in computer science. Informally, it asks whether every problem whose solution can be quickly verified by a computer can also be quickly solved by a ...
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0answers
69 views

Writer/math student seeking an overview of linguistics. Help?

I am a math and statistics student/enthusiast as well as a fiction writer with cultivated interest in a few foreign languages. Linguistics has held appeal to me for many years, but I admit to having ...
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0answers
47 views

Determining interests from Twitter text

I am not sure if this is the right place to post or if I should be posting CompSci so please feel free to redirect me to the most appropriate StackExchange. I would like to determine interests or ...
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2answers
189 views

Studying Linguistics for a Programmer

It isn't definitely a "linguistic" question, but I hope there're some people who solved the same problems like me. Since of my childhood I was very curious in languages and linguistics, but I hadn't ...
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3answers
452 views

How would I parse the sentence, “I am not the alien here.”?

I am trying to construct a first-order logic representation of the following sentence. My general approach for constructing the representation is to parse the sentence into a phrase structure tree ...
4
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1answer
236 views

Identify author by a text's grammatical/syntactic structure

I'm interested in whether it is possible to classify texts by authorship using just syntactic/grammatical information. Let's take ten people and have them write three texts. About their favorite ...
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2answers
567 views

Are there any good open source English text to IPA/other phonetics alphabet transcription programs?

I'm writing a computer program which requires some of this functionality at one point, so I wanted to get into a (better-written) code and have a look, to get some inspiration. Are there any good ones ...
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2answers
242 views

The Liar's Paradox : a linguistic perspective

The sentence "This sentence is false." is a paradox (called the "liar's paradox) as even though being well formed it is a contradiction. While logicians can call this a case of un-decidability what ...