lexrank | Text summarization using Lexrank | Natural Language Processing library
kandi X-RAY | lexrank Summary
kandi X-RAY | lexrank Summary
Implements Radev's Lexrank algorithm for unsupervised text summarization in node. Basically applying PageRank to each sentence in a document, finding the most important sentences, and reranking them.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of lexrank
lexrank Key Features
lexrank Examples and Code Snippets
Community Discussions
Trending Discussions on lexrank
QUESTION
I am trying to write a small shiny app. Part of the app is summarizing text that the user pastes into a box then press an action button. I copied the text example from an online blog and it works outside of shiny
I used the action button code from shiny website
when I run the code below, I get this error Error in sentenceParse(text, docId = docId) : text must be character
I guessed this may be because the output from the text box (n or ntext) is not a factor. So I tried to change using as.factor(ntext)
but still without success.
I appreciate any guidance.
thank you
...ANSWER
Answered 2020-Oct-02 at 13:14You need to call the reactive function as ntext()
. Since it is a reactive it needs to be in a observer
.
Update
Width of the output can be controlled with a div()
. See the updated code below.
QUESTION
I am facing problem when deploying a text summarizer (LexRank) through Flask RESTful API. Please see below my code snippet
...ANSWER
Answered 2018-Nov-26 at 16:41sum_lex.append(str(sent))
returns None
, because appending to a list is done in-place. Because you're effectively running ' '.join(None)
, you get the error.
Try this instead:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install lexrank
text is the original text. There's no need to tokenize the text. Raw text is fine. lexrank.js does a sentence tokenization and then word tokenization.
lineCount is the number of sentences in the output desired.
url is the URL of the page to summarize. lexrank then uses node-unfluff to extract the text content from the page, then passes it to lexrank.summarize
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