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About Bots and Dialog Systems Tina Klüwer, CTO parlamind Service first. In E-commerce.

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•  Started studying Linguistics & Philosophy in Cologne

About Me

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Conversation & Meaning of Language

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•  Added Linguistic Data Processing (aka Computational Linguistics) to my master

About Me

Computational Linguistics

Corpus Linguistics

LT Applications

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Conversation & Meaning of Language

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Weizenbaum‘s ELIZA

ELIZA: HI, I’M ELIZA. WHAT DO YOU WANT TO TALK ABOUT? YOU: MY FATHER IS ALWAYS ANGRY AT ME ELIZA: TELL ME MORE ABOUT YOUR FAMILY. YOU: MY MOM HATES ME TOO ELIZA: WHAT MAKES YOU THINK YOUR MOM HATES YOU?

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Chatbots

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AIML Pattern/Template Pairs

<category> <pattern>ARE YOU A * ROBOT</pattern> <that>

MY FAVORITE SUBJECT IS ARTIFICIAL INTELLIGENCE AND ROBOTS </that> <template>Yes, that's why robotics is my favorite topic.</template>

</category>

<category> <pattern>ARE YOU ELIZA</pattern> <template>

I can develop much better responses than ELIZA. </template>

</category>

The ALICE dataset contains more than 41.000 such pairs.

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(Some) Problems of traditional Chatbots

No information injection •  Integrating extra

information is complicated/impossible

No state •  Minimal or no

memory

Manual NLU •  Handcrafted rules

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Combine AIML & Semantics

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Sequence to Sequence Learning Neuronal Nets

E.g. Chatbot by Google Brain Group (Vinyals & Le, 2015)

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Sequence to Sequence Learning Neuronal Nets

E.g. Chatbot by Google Brain Group (Vinyals & Le, 2015)

Human: What is your job? Machine: I‘m a lawyer Human: What do you do? Machine: I am a doctor

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Research at DFKI

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Work at the DFKI

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Dialogue System information injection is easy

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Graph Dialogue Manager State based system contains the state

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Still...Language Content

Natural Language Input Internal Representation MAGIC

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Parlamind Understands Customer Needs

•  Discovers most frequent issues

•  Detects sentiment •  Shows trends & alerts

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Parlamind Suggests & Sends Answers

Liebe Diana, Anbei findest du das ein Rücksendeetikett für deine Bestellung. Viele Grüße, Dein Kundenservice-Team

Senden

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Similarity Based NLU

Natural Language Input Internal Representation Similarity

Example DB

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Similarity Based NLU

Can you send me my invoice again please?

Internal Representation Similarity

Example DB

Could you please send me my invoice?

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THANKS! We are hiring!

E.g. Frontend Developer JAVA Full Stack Dev

NLP Developer

Contact Tina Klüwer, CTO www.parlamind.com/jobs