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Algorithm for Negating Sentences


Algorithm for Negating Sentences

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Algorithm for Negating Sentences
Tag : development , By : marocchino
Date : January 10 2021, 01:49 PM


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Best algorithm to index sentences


Tag : algorithm , By : thatotherguy
Date : March 29 2020, 07:55 AM
To fix this issue Imagine I have a situation where I need to index sentences. Let me explain it a little bit deeper. , This oughta get you close, in C#:
class Program
{
    public class Node
    {
        private string _term;
        private Dictionary<string, KeyValuePair<Node, Node>> _related = new Dictionary<string, KeyValuePair<Node, Node>>();

        public Node(string term)
        {
            _term = term;
        }

        public void Add(string phrase, Node previous, string [] phraseRemainder, Dictionary<string,Node> existing)
        {
            Node next= null;
            if (phraseRemainder.Length > 0)
            {
                if (!existing.TryGetValue(phraseRemainder[0], out next))
                {
                    existing[phraseRemainder[0]] = next = new Node(phraseRemainder[0]);
                }
                next.Add(phrase, this, phraseRemainder.Skip(1).ToArray(), existing);
            }
            _related.Add(phrase, new KeyValuePair<Node, Node>(previous, next));

        }
    }


    static void Main(string[] args)
    {
        string [] sentences = 
            new string [] { 
                "The beautiful sky",
                "Beautiful sky dream",
                "beautiful dream"
            };

        Dictionary<string, Node> parsedSentences = new Dictionary<string,Node>();

        foreach(string sentence in sentences)
        {
            string [] words = sentence.ToLowerInvariant().Split(' ');
            Node startNode;
            if (!parsedSentences.TryGetValue(words[0],out startNode))
            {
                parsedSentences[words[0]] = startNode = new Node(words[0]);
            }
            if (words.Length > 1)
                startNode.Add(sentence,null,words.Skip(1).ToArray(),parsedSentences);
        }
    }
}

algorithm to extract simple sentences from complex(mixed) sentences?


Tag : development , By : Jason Vance
Date : March 29 2020, 07:55 AM
To fix the issue you can do Is there an algorithm that can be used to extract simple sentences from paragraphs? , I have just used openNLP for the same.
public static List<String> breakIntoSentencesOpenNlp(String paragraph) throws FileNotFoundException, IOException,
        InvalidFormatException {

    InputStream is = new FileInputStream("resources/models/en-sent.bin");
    SentenceModel model = new SentenceModel(is);
    SentenceDetectorME sdetector = new SentenceDetectorME(model);

    String[] sentDetect = sdetector.sentDetect(paragraph);
    is.close();
    return Arrays.asList(sentDetect);
}
    //Failed at Hi.
    paragraph = "Hi. How are you? This is Mike.";
    SentenceDetector.breakIntoSentencesOpenNlp(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at Door.Noone
    paragraph = "Close the Door.Noone is out there";
    SentenceDetector.breakIntoSentencesOpenNlp(paragraph).forEach(sentence -> System.out.println(sentence));//not able to break on noone

    paragraph = "Really!! I cant believe. Mr. Wilson can come any moment to receive mrs. watson.";
    SentenceDetector.breakIntoSentencesOpenNlp(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at dr.
    paragraph = "Radhika, Mohan, and Shaik went to meet dr. Kashyap to raise fund for poor patients.";
    SentenceDetector.breakIntoSentencesOpenNlp(paragraph).forEach(sentence -> System.out.println(sentence));//breaking on dr.

    paragraph = "This is how I tried to split a paragraph into a sentence. But, there is a problem. My paragraph includes dates like Jan.13, 2014 , words like U.S. and numbers like 2.2. They all got splitted by the above code.";
    SentenceDetector.breakIntoSentencesOpenNlp(paragraph).forEach(sentence -> System.out.println(sentence));//breaking on dr.

    paragraph = "www.thinkzarahatke.com is the second site I developed. You can send mail to admin@thinkzarahatke.com";
    SentenceDetector.breakIntoSentencesOpenNlp(paragraph).forEach(sentence -> System.out.println(sentence));
public static List<String> breakIntoSentencesCustomRESplitter(String paragraph){
    List<String> sentences = new ArrayList<String>();
    Pattern re = Pattern.compile("[^.!?\\s][^.!?]*(?:[.!?](?!['\"]?\\s|$)[^.!?]*)*[.!?]?['\"]?(?=\\s|$)", Pattern.MULTILINE | Pattern.COMMENTS);
    Matcher reMatcher = re.matcher(paragraph);
    while (reMatcher.find()) {
        sentences.add(reMatcher.group());
    }
    return sentences;

}
    paragraph = "Hi. How are you? This is Mike.";
    SentenceDetector.breakIntoSentencesCustomRESplitter(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at Door.Noone
    paragraph = "Close the Door.Noone is out there";
    SentenceDetector.breakIntoSentencesCustomRESplitter(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at Mr., mrs.
    paragraph = "Really!! I cant believe. Mr. Wilson can come any moment to receive mrs. watson.";
    SentenceDetector.breakIntoSentencesCustomRESplitter(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at dr.
    paragraph = "Radhika, Mohan, and Shaik went to meet dr. Kashyap to raise fund for poor patients.";
    SentenceDetector.breakIntoSentencesCustomRESplitter(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at U.S.
    paragraph = "This is how I tried to split a paragraph into a sentence. But, there is a problem. My paragraph includes dates like Jan.13, 2014 , words like U.S. and numbers like 2.2. They all got splitted by the above code.";
    SentenceDetector.breakIntoSentencesCustomRESplitter(paragraph).forEach(sentence -> System.out.println(sentence));

    paragraph = "www.thinkzarahatke.com is the second site I developed. You can send mail to admin@thinkzarahatke.com";
    SentenceDetector.breakIntoSentencesCustomRESplitter(paragraph).forEach(sentence -> System.out.println(sentence));
public static List<String> breakIntoSentencesBreakIterator(String paragraph){
    List<String> sentences = new ArrayList<String>();
    BreakIterator sentenceIterator =
            BreakIterator.getSentenceInstance(Locale.ENGLISH);
    BreakIterator sentenceInstance = sentenceIterator.getSentenceInstance();
    sentenceInstance.setText(paragraph);

    int end = sentenceInstance.last();
     for (int start = sentenceInstance.previous();
          start != BreakIterator.DONE;
          end = start, start = sentenceInstance.previous()) {
         sentences.add(paragraph.substring(start,end));
     }

     return sentences;
}
    paragraph = "Hi. How are you? This is Mike.";
    SentenceDetector.breakIntoSentencesBreakIterator(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at Door.Noone
    paragraph = "Close the Door.Noone is out there";
    SentenceDetector.breakIntoSentencesBreakIterator(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at Mr.
    paragraph = "Really!! I cant believe. Mr. Wilson can come any moment to receive mrs. watson.";
    SentenceDetector.breakIntoSentencesBreakIterator(paragraph).forEach(sentence -> System.out.println(sentence));

    //Failed at dr.
    paragraph = "Radhika, Mohan, and Shaik went to meet dr. Kashyap to raise fund for poor patients.";
    SentenceDetector.breakIntoSentencesBreakIterator(paragraph).forEach(sentence -> System.out.println(sentence));


    paragraph = "This is how I tried to split a paragraph into a sentence. But, there is a problem. My paragraph includes dates like Jan.13, 2014 , words like U.S. and numbers like 2.2. They all got splitted by the above code.";
    SentenceDetector.breakIntoSentencesBreakIterator(paragraph).forEach(sentence -> System.out.println(sentence));

    paragraph = "www.thinkzarahatke.com is the second site I developed. You can send mail to admin@thinkzarahatke.com";
    SentenceDetector.breakIntoSentencesBreakIterator(paragraph).forEach(sentence -> System.out.println(sentence));

Negating sentences using POS-tagging


Tag : php , By : can
Date : March 29 2020, 07:55 AM
I wish this help you I'm trying to find a way to negate sentences based on POS-tagging. Please consider: , Give this a try:
$sentence = preg_replace("/(\s)(?:(?!never|neither|not)(\w*))\/(JJ|MD|RB|VB|VBD|VBN)\b/", "$1not$2", $sentence);

An Algorithm to Determine How Similar Two Sentences Are


Tag : python , By : chawei
Date : March 29 2020, 07:55 AM
seems to work fine You can use the method described in this paper for computing the similarity of two sentences: Corpus-based and Knowledge-based Measures of Text Semantic Similarity
You can remove words until the similarity with the original sentence drops significantly (this is an interesting problem in itself).

Is negating inequality with NULL different from negating?


Tag : c , By : Vorinowsky
Date : March 29 2020, 07:55 AM
I hope this helps . NULL is guaranteed to be a null pointer constant. Not to be confused with a null pointer (which could in theory have a non-zero representation). A null pointer constant can be defined as either (void*)0 or 0.
!(void*)0 and !0 both give the value 1 so either version is guaranteed to work.
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