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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Is there any alternative sentence/questions generator tools available for input pharse/keyword

For example: "Please turn on kitchen lights". it should generate all possible and alternative sentence such as, 1. turn on lights. 2. switch off lights. 3. switch on kitchen lights. 4. please turn off ...
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27 views

Exhaustive list of NLP tasks

Is there any reference document(s) that give an exhaustive list of NLP tasks? All lists I have found are either incomplete or coarse-grained. (example 1, example 2) Ideally, I would prefer a ...
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1answer
28 views

Ambiguity, PCFG grammar

I know that the sentence "time flies like an arrow" could have lots of meaning and there is an ambiguity but I draw a tree and I got confused that which meaning is more suitable for this tree. S→ NP ...
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50 views

Conditional IF vs. non-conditional IF

Using regular expressions, I'm trying to detect conditional clauses in sentences. In cases where the sentences starts with the conditional clause and the comma is correctly present (e.g., "If I see a ...
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16 views

Is there a Python lib to calculate HTER?

Is there a Python lib that calculates HTER - Human-targeted Translation Error Rate? Ideally it would expose a function that takes as parameters 1) at least one golden translation and 2) the ...
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2answers
89 views

context-free grammar

How we could create a context-free grammar that generates sentences of arbitrary length like: the cat died. the cat the dog chased died. the cat the dog the rat bit chased died. the cat the dog the ...
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16 views

Finding specific syntactic combinations in a tagged text (Python, TreeTagger)

I am trying to write a python program that can 1) tag a text using TreeTagger, and 2) identify certain syntactic combinations within the tagged text. I've got TreeTagger up and running in python; it ...
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8 views

What tokenization scheme was used for the conll-X arabic corpus?

I wanted to know what tokenization scheme was used to tokenize the conll-X arabic corpus which was used for the 2006 shared task on dependency parsing ?
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2answers
47 views

How difficult is grammar induction/sentence generation?

I. Are any simple algorithms which attempt to "learn" the grammar of a language? Example: I feed into the program a few thousand books worth of English, and want a program which could analyse the ...
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37 views

Is there a structured list of language families using ISO language codes?

I'd love to find a machine-readable list of language families that use the three-letter ISO language codes. It would be like: Germanic: eng, enm, deu, dut, ... Romance: fra, ita, spa, ... Does such ...
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20 views

How are the ideas from the paper “Modelling Linguistic Expressions Using Fuzzy Relations” currently used in Computational Linguistics/NLP?

The paper written by De Cock, Bodenhofer, and Kerre. A link to the paper: Modelling Linguistic Expressions Using Fuzzy Relations
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1answer
14 views

Comprehensive list of NER labeling schemes with pros/cons

Are there any reference document(s) that give a comprehensive list of NER labeling schemes (e.g., IOB1, IOB2, or IOBES) along with their pros/cons, and ideally some pointers to publications? I am ...
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1answer
34 views

Generating Essay (Set of correlated sentenses) from a set of keywords

I originally belong to Computer Vision world. Recently I worked on Scene Understanding. There, I accept an image and generate a sentence explaining the contents of the scene. Now, my professor wants ...
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3answers
65 views

Can training a Part-of-Speech tagger and parser at the same time improve parsing results?

I was wondering if training both a POS tagger and a parser (be it constituency or dependency) at the same time improve the results of parsing in a deep architecture since deep learning can take ...
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0answers
25 views

an open source lexicographical framework

I am looking for a lightweight open source framework for lexicographical experiments: building vocabularies, converting from one type to another, merging, dealing with multilingual issues, ... google ...
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1answer
31 views

Open source probabilistic dialogue state tracker

Do you know of any simple (form filling) dialogue state tracking systems with a graphical model based dialogue state representation? I'm looking for one to get familiar with the overall model and ...
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0answers
15 views

WordNet - Parts-Of-Speech required?

To figure out if the two words are SYNONYMS (SIMILAR_TO), do I need to find the Parts-Of-Speech for the two words first? Can I do this in a single 'operation' in the WordNet or will I have to loop ...
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0answers
11 views

WordNet - Multiple relationships possible between two words?

Can there be more tha one relationship (SYNONYMS, HOLONYM, etc) between two words in WordNet? Logically, I would say no but with different senses, is it possible?
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1answer
14 views

Compare and rank text based on content

I am building a crowd sourcing site for a research project where people can come and post public issues they face everyday. It has all the basic features Reddit has. People can view these issues ...
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2answers
38 views

Unable to understand meaning of tag NONE *-1 in Penn Treebank example

I am completely naive and new to NLP. I am following a course on NLP on coursera. As I was studying about parse tree, I came across following sentence to parse: Because the CD had an effective yield ...
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31 views

I am looking for Danish/Dutch/English/Finnish/French/German/Italian/Norwegian/Spanish/Swedish/Turkish sms corpora

for my dissertation I am looking for sms corpora. I am mainly interested in automatic sms notifications that are sent to users when they buy things online or pay using credit cards (confirmation ...
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1answer
53 views

Any suggestions for real-time phonetic analysis packages?

I'm writing some software that will need to do a bit of phonetic analysis. Are there any programs, libraries, or software packages that I can extend to my program which are commonly used for real-time ...
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49 views

How many meaningful English phrases can be created using 4 or fewer words?

Prompted by this exchange on Information Security Stack Exchange, regarding whether a passphrase consisting of 4 English words might be easier or harder to crack than a password of 8 random ...
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43 views

Automatically turn a question into a statement?

What's a practical way to programmatically convert questions into statements with placeholders? For example: in: 'Who is the president of the Argentina?' out: ['The president of Argentina is ____.', ...
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1answer
82 views

Can we form a statement in english with verb without noun

I am working on NLP project, I saw during processing of large number of documents that there is always a noun either before or after a verb and both are strongly related. I just need to verify my ...
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1answer
51 views

GermaNLTK: not finding files [python]

Following the instructions of GermaNLTK I tried to install the german NLTK in Python. (I want to use the synsets for semantic-taging.) But I couldn't find the files germanet.py and ...
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58 views

how to choose a threshold for Jiang-Conrath Similarity?

I want to compare two sets of keywords. After searching I understood that Jiang-Conrath Similarity is closer correlating with human judgement. I read this definition: Jiang-Conrath Similarity ...
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What is the interlabeler agreement in the ICSI Meeting Recorder Dialog Act (MRDA) Corpus, when using the 6-class tagset?

In the ICSI Meeting Recorder Dialog Act (MRDA) Corpus, what is the interlabeler agreement in the ICSI Meeting Recorder Dialog Act (MRDA) Corpus, when using the 6-class tagset? The 6-class tagset I am ...
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1answer
164 views

Effectiveness of a script [closed]

For an alphabet, with each letter we have a minimum number of dots/ pixels required to represent it. For convenience one takes such a value for the whole alphabet but actually in addition to this it ...
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47 views

How to do a vowel continuum using Praat?

I was going to make a vowel continuum using two real sounds. I used the script below but the sounds I made all sounded similar...which means I didn't succeed in making a continuum... ...
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21 views

What are the fillers in the ICSI Meeting Recorder Dialog Act (MRDA) Corpus?

In the ICSI Meeting Recorder Dialog Act (MRDA) Corpus, which label(s) correspond to the Filler class? I have read a couple of article (e.g. (1)) saying there exist a widely applied classmap that ...
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123 views

The expressive power of languages : Information content in a sentence : How do we measure it

What is your name Isme shoma chi e Two sentences - same content. My question is about the way to measure information content in a language. How do we do this? Because quite evidently count of the ...
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1answer
78 views

Representing prepositions in lambda calculus/logic notation

How would I represent 'for' in "Are you here for a conference?" conference could be represented as lam x.conference(x). a conference could be represented as lam Q x.(conference(x) & Q(x)) I ...
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1answer
70 views

Question about Range of BLEU

I read that range of BLEU is 0 to 1.(from "BLEU" page on wikipedia) But i found some paper says like "we achieve a significant gain of 5.0 BLEU points over non-attentional systems that already ...
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1answer
46 views

How is “complexity” calculated on thesaurus.com?

On thesaurus.com, you can filter synonyms by their "complexity." Does anyone know the criteria they use to determine a word's complexity?
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19 views

Looking for open source software to do Dependency Graph Matching

There is plenty of open source dependency parsers. Is there an open source software to perform dependency graph matching, preferably easy to interface to one or many dependency parsers? My application ...
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1answer
76 views

How do we measure the degree of similarity between words?

Consider these words: reminder - remainder They are very similar in sound and letters. Yet they are far from each other in meaning. In computational linguistics, do we have algorithms to measure ...
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1answer
37 views

Data sets for sequential short text classification

I am looking for data sets that I could use to perform sequential short text classification (multilabel is OK). By short text I mean ~100 words max. By sequential I mean that the texts should follow ...
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1answer
93 views

finding the language stem of vowelless Hebrew

I am looking for tools to find the language stem in vowelless Hebrew, preferably a full list of suffixes and prefixes with the stem. A small list can be found on wikipedia. An extensive list can be ...
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2answers
58 views

How to assess the language register of speech?

I am looking for ways to automatically assess the language register of a person's speech: formal, informal, ... or through some grading mechanism that would associate a 'score' depending on the ...
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0answers
44 views

Why use (k+1) instead of k in numerator of BM25 scoring formula [closed]

BM25 uses this nonlinear transformation to scale the term frequency: where x is a term frequency. Why is k+1 used in numerator instead of just k? Wouldn't formula below work equally well? It ...
2
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1answer
60 views

Is there a term to describe comparing two documents to determine if they have the same topic?

I am looking for an NLP field analogous to face verification in Computer Vision, where two images of human faces are compared, and the class label describes whether the images are of the same person. ...
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2answers
54 views

Praat script to delete line breaks in TextGrid intervals?

Can anyone make a PRAAT script that deletes line breaks from intervals in Text Grids. I did a bunch of transcribing of a word/sentence list. I copy and pasted from a text file that had line breaks ...
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0answers
16 views

Structured database of the ACL Anthology data set?

Is there any structured database of the ACL Anthology (former website; new website)? By structured database I mean some SQL dump (NoSQL is fine too) that would contain all papers' meta information ...
2
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1answer
46 views

What are the upsides of using dependency parsing over constituency parsing?

I am looking for an exhaustive list of upsides of using dependency parsing over constituency parsing (if possible, with references for each upside).
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32 views

Why doesn't GeneTag use BIO for its annotations?

GeneTag (1) is a tagged corpus for gene/protein named entity recognition. The corpus is annotated as follows: P00089778A0000 The_TAG concentration_TAG of_TAG alpha_GENE1 2_GENE1 -_GENE1 ...
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15 views

Running cTAKES using all cores available

When running cTAKES on several text documents, is there any way to perform the processing using all the cores available? E.g. it is taking around one day to process 2000 of my documents, as it is ...
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1answer
24 views

Benchmark data sets for negation detection systems

I am looking for data sets that I could use to train and benchmark negation detection systems.
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2answers
79 views

Meaning of surface expressions

Reading this paper I came across term "surface expression". What does it mean?
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1answer
69 views

Negation detection software

I am looking for negation detection software or libraries. Linux, Microsoft Windows or Mac OS X are all OK. Any price and license is good too. I am mostly interested in the quality of the detection. ...