read the paths of all the files under a directory,including the sub-directories of it @param dirPath(String): path of the directory, remember the las

return score of each word after TextRank algorithm @param title(String): title of document @param content(String): content of document @param window(i

calculate IDF values for each word under a directory @param dirPath(String): path of the directory @return(HashMap<String, Float>): "word:IDF Value"

judge whether a word belongs to stop words @param term(Term): word needed to be judged @return(boolean): if the word is a stop word,return false;othe

calculate TF-IDF value for each word of each file under a directory @param dirPath(String): path of the directory @return(Map<String, HashMap<String,

extract keywords in terms of title and content of document @param title(String): title of document @param content(String): content of document @param

get keywords of each file under a certain directory @param dirPath(String): path of directory @param keywordNum(int): number of keywords to extract @r

calculate TF value of each word in terms of the content of file @param fileContent(String): content of file @return(HashMap<String, Float>): "words:T

change the number of keywords,default 5 @param keywordNum(int): number of keywords that need to be extracted

judge whether a word belongs to stop words @param term(Term): word needed to be judged @return(boolean): if the word is a stop word,return false;othe

calculate TF values for each word of each file under a directory @param dirPath(String): path of the directory @return(HashMap<String,HashMap<String,

calculate the precision value, recall value and f1 score in terms of the keywords extracted by the algorithm and manually @param systemKeywords(List<S

integrate the results of TextRank algorithm with different co-occurance window @param title(String): title of the document @param content(String): co

return the content of a XML file of a certain tag the tag should be second level,or you can modify the code to change to any level @param fileName(Str

set the number of keywords to extract @param sysKeywordNum(int): number of keywords to extractt

set the number of keywords to extract @param number(int): number of keywords to extract

multiply the TextRank-socre of a word by the IDF value of this word in a corpus @param dirPath(String): path of the directory of the corpus @return(Ma

integrate the results generated by TextRank and TF-IDF, choose those words that co-occure in both results, if the number of co-occuring words is not e