Word frequency algorithm for natural language processing

Question

Without getting a degree in information retrieval, I\'d like to know if there exists any algorithms for counting the frequency that words occur in a given body of text. The

Answer 1

U can use the worldnet dictionary to the get the basic information of the question keyword like its past of speech, extract synonym, u can also can do the same for your document to create the index for it. then you can easily match the keyword with index file and rank the document. then summerize it.