Questions tagged [natural-language-processing]

Natural language processing (NLP)

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Find pattern in string of unkown language

Hello I am looking for an algorithm which solves following problem for me. Given a text/string = 'BIRDBIRDBIRDBIRDDEVILDEVILDEVILDEVILEASYEASYEASY ...' of an unkown language. For the sake of ...
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56 views

How to prove that katz backing off smoothing technique is a valid probability distribution?

How to prove that katz backing off smoothing technique is a valid probability distribution? Take the example of bigram. You can go through this link for katz back off model https://en.wikipedia.org/...
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28 views

Any references/current work on anomaly detection in conversations?

Suppose I have a lot of data on conversations between humans and chatbots (human text, chatbot text, times, media used for chat, etc), and I want to be able to detect anomalies in these conversations. ...
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50 views

Speech to Text API with Unknown Language

I would like to develop an application that outputs text from the audio of 2 possible languages. For ex: Audio might be English or Spanish, it should return the spoken words. Most speech to text ...
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90 views

Combining Ontology and Relational Databases in Question Answering system

I'm introducing to the Natural Language Processing field and it's application. I'm planning to build a question answering system for a project, but some approaches are making me a bit confuse about ...
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60 views

Gensim LDA all topics zero

I'm trying to run Gensim's LdaModel on a corpus. I load the corpus myself from two XML files. I made a class to iterate over the text pieces in the XML files. It ...
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45 views

What is a Neural attention model and how can it be used for text summarization?

We are doing a research on multi-document (one document max 100 words) text summarization. We are looking into abstractive text summarization methods. I need following things to be clarified. Please ...
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1k views

Difference between LR parsing and Shift-Reduce parsing?

I'm learning natural language processing and I can't understand the difference between Shift-Reduce parser and LR parser. As I've understood from Wikipedia, shift-reduce is just a name of a class of ...
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70 views

API to retrieve answers for general questions

I was looking for a service (with API) where I can ask it a general question (aka, when was Einstein born?) and retrieve an answer from the Web. Is there any available service to do that? Have tried ...
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38 views

How can I change the text style?

There are algorithms to change the forms of words, to define the subject of the text, as well as the definition of his style (literary, business, scientific, etc.). Do you have any ready ideas or ...
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92 views

Examples for speech recognition systems and spoken dialogue systems

I am collecting material for a MOOC about speech technology. My aim is that students also have examples to try rather than just watching the lecture and some complimentary youtube videos. So the idea ...
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37 views

How can feature structures be applied to text summarization?

I'm looking for innovative ways to create text summaries and I was wondering whether feature structures can be used for such a task. Is it possible to create subsume and unification methods that ...
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26 views

Common models for inferring semantics (truth/factuality of statements)?

What are common models for creating rules for inferring meanings (e.g. truth values) of natural language statements such as if one wanted to infer the truth value of the input statement John Lennon ...
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30 views

Is there a paper/implementation/tool on automatically finding/suggesting similar questions for a given question?

I would like to know whether there is a method to find similar questions for a given question, just like this stackexchange.com does. Is there any paper or tools? I tried keywords such as "...
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404 views

NLP: in practice, what should I choose as Start and End symbol?

I'm writing a small program that implements a trigram HMM model and apply it by using Viterbi Algorithm. It's very standardized. However, I have never written anything like this before, and I get ...
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157 views

Advantages of knowing foreign languages for natural language processing

I wonder about cases in which knowing several languages can lead a researcher to interesting results in natural language processing. For example, knowledge of foreign languages can without doubt ...
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19 views

How to compare different Information Retrieval Methods?

I have an algorithm that takes an user's query and include relevant terms in it to expand it and get better results in document retrieval. Now, I have to write a paper about it in which i have to ...