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Natural Language processing

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Natural Language Processing

Natural Language Processing


NAZMUL AHSAN 151-15-4668





Natural language processing is a sector of artificial intelligence that can analysis human language.

Background history : CAN MACHINE THINK ?

Stanford NLP GROUP :A group from Stanford university developed some software.One of them is Core Stanford NLP .written in Java.Packages are widely used in industry, academia, and government.

Well known now-a-days :Voice searchTranslatorInformation retrievalCaptcha ChallengeDifferent types of App.IOT Internet Of Things

WHY Natural Language Processing ?

Retrieve Information:My friend: When you will meet with me?Me: I have decided to meet tomorrow at 10:00 AM in Library

Retrieve Information:My friend: When you will meet with me?Me: I have decided to meet tomorrow at 10:00 AM in Library

Date : 31-03-17 (Tomorrow)Time: 10:00 AMPlace: Library

Retrieve Information:

Event: Database PresentationTime: 11:30 AMInfo: Take preparation properly

Machine Translation:1. Google Translation.2. Pipilika (first Bangla search engine)3. Voice speech to Text

| => I love you.

Grass is greener on the other of the side. =>

Googles Translation : | Machine Translation:

Language Processing:Generate SQL from natural language.Natural Language: Publish departmentSQL Query: Select * from department

Natural Language: Show all student information of Section E, 40 batch, CSESQL Query: Select * from CSE_students where batch = `40` AND section = `E`

NLP Technique:One of the Machine Learning application is NLPTwo approach:Supervised. * Tag key-word work as training set* YouTube Suggestion, Favorite list in messenger.Unsupervised.* No pre-training set.* Clustering, Data analyzation, Google Search

First we thought the PC was a calculator.Then we found out how to turn numbers into letters with ASCII and we thought it was a typewriter. Then we discovered graphics, and we thought it was a television. With the World Wide Web, we've realized it's a brochure. Douglas Adams

Add your results hereResultsAdd your objective hereObjectiveProject Description

Aspects of NLPTokenization / Segmentation



Part of Speech (POS) tagging

Contextual Analysis

Sentiment Analysis

Tokenization & SegmentationSegmenting text into words The meeting has been scheduled for this Saturday.

He has agreed to co-operate with me.

Indian Airlines introduces another flight on the New DelhiMumbai route.

We are leaving for the U.S.A. on 26th May.

Fahad is playing the role of Duke of Athens in A Midsummer Nights Dream in a theatre in New York City!

Named Entity Recognition

POS taggingPart of speech (POS) recognition

Today is a beautiful day.

Today is a beautiful day NounVerb Article AdjectiveNoun

Showing application of NLP with python scripting

Opportunities of NLPResearch opportunity

Employment/Job opportunity

Limitation of NLP

Future of NLPThe bots

Supporting invisible UI

Smarter search

Intelligence from unstructured information

Do you have Any QUESTION?