Patent ID: 11914960
Assignee: TATA CONSULTANCY SERVICES LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 1:
2. The processor-implemented method of claim 1, wherein pre-processing of the text strings comprising one or more steps of:
removing, via the one or more hardware processors, one or more tags;
expanding, via the one or more hardware processors, one or more contractions from the text strings;
splitting, via the one or more hardware processors, the text strings into one or more documents;
parsing, via the one or more hardware processors, the text strings to obtain n-grams;
removing, via the one or more hardware processors, stopwords, nouns, pronouns, auxiliary verb, modal verb, list item marker, spelled-out number, prepositions and subordinating conjunctions, punctuations, tokens comprising non-alphabetic characters and having less than three characters from text strings; and
lemmatizing, via the one or more hardware processors, the obtained n-grams to determine root form using a predefined library.