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1answer
30 views

How to figure out whether two texts refer to the same object or event

Let's assume there is something happen in the world - Football world cup final. And team-1 beat team-2 with the score 3:2. So there is whole bunch of articles on every website about it, each contains ...
1
vote
0answers
36 views

Outline detection from patterns in a list of textual articles

Are there NLP algorithms dealing with detecting the repeating patterns in a a list of texts from which a topic keywords and other associative keywords can be derived? I will show it as an example: ...
2
votes
0answers
22 views

Where to cut a category tree

Since I don't have CS background I will most probably ask this question the wrong way. I need to choose a node from a tree, where I include all beneath this node leafs in a validation. I have a data ...
3
votes
2answers
113 views

Measuring the information of a document?

I'd like to measure how much information a document $D$ contains. Clearly, the New York Times published yesterday contains more information than my diary wrote on the same day. But, I do not know ...
8
votes
2answers
132 views

What are some efficient ways to find the differences between two large corpuses of text that have similar, but differently ordered content?

I have two large files containing paragraphs of English text: The first text is about 200 pages long and has about 10 paragraphs per page (each paragraph is 5 sentences long). The second text ...
2
votes
1answer
75 views

Most frequently tools or programming language for implementation text processing and nlp algorithms in academic papers and journals [closed]

I want to prototype and try some idea (some algorithm) in the field of text processing and nlp and if the results was good I want to publish some paper or journal article about that. I am familiar ...
2
votes
1answer
75 views

Looking for a paper comparing NLP methods with Data Mining techniques

I've recently attended a conference, where one of the participants mentioned a recent paper published by a Google employee, which showed that using data mining techniques in application to NLP might ...
3
votes
0answers
74 views

What are some of the methods that NLP practitioners use to automatically learn linguistic features from text? [closed]

I am learning about NLP, with an eye to starting some practical NLP projects. I see that many of the algorithms for relation extraction and named entity recognition require you to identify linguistic ...
3
votes
0answers
76 views

Document clustering for summarization

I am curious as to what steps one would reasonably need to take to perform an extraction-based text summarizer. I've taken a look at some papers I've found on Google such as this one, which explains ...
10
votes
4answers
17k views

Relation and difference between information retrieval and information extraction?

From Wikipedia Information retrieval is the activity of obtaining information resources relevant to an information need from a collection of information resources. Searches can be based on ...
13
votes
2answers
613 views

Identifying events related to dates in a paragraph

Is there an algorithmic approach to identify that dates given in a paragraph correlate to particular events (phrases) in the paragraph? Example, consider the following paragraph: In June 1970, the ...