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  • Slide 2: text preprocessing Stopwords removal Stemming Basic stemming methods remove ending transform words Digits Hyphens Punctuation Marks Case of Letters Identifying different text fields Identifying anchor text: Removing HTML tags Identifying main content blocks Partitioning based on visual cues Tree matching slide 9:Duplicate Detection : ngrams slide 11:Inverted index ...
  • slide1:Introduction to  Information Retrieval (IR) slide 4: Information Retrieval (IR) Architecture slide 6:IR queries types Keyword queries Boolean queries (using AND, OR, NOT) Phrase queries Proximity queries Full document queries Natural language questions Slide 13: Information retrieval models Boolean model Vector space model Statistical language model Probabilistic Model Slide 15: Boolean ...
  • regular expression in python is A tiny, highly specialized programming language embedded inside and made available through the re module. it helps to match or find other strings or set of strings, using a specialised syntax held in a pattern. The re module raises the exception re.error if an error ...
  • Inheritance is the capability of one class to derive or inherit the properties from another class. The benefits of inheritance are:   It represents real-world relationships well. It provides reusability of a code. We don’t have to write the same code again and again. Also, it allows us to add more features to ...
  • APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITYFIFTH SEMESTER M.C.A. DEGREE EXAMINATION, DECEMBER 2018Course Code: RLMCA369Course Name: PYTHON PROGRAMMING Here we represented two type to replace one using string replace method and other using regular expression sub first we read the file using open function then used for loop to iterate each line ...

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