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Paperium

Posted on • Originally published at paperium.net

Sequential Matching Network: A New Architecture for Multi-turn ResponseSelection in Retrieval-based Chatbots

How chatbots learn to pick better replies with a sequential matching network

Chatbots often fail because they either mash all past messages together or shrink the whole chat into one tiny code, losing what matters.
A new idea called sequential matching network instead looks at each past line and the candidate reply, one by one.
It finds small but key matches and turns them into short summaries, then keeps those summaries in order so the bot remembers the flow of the talk.
By keeping the order the system can see how earlier lines shape the meaning of later ones, so the chosen reply fits better.
This way a bot can make smarter choices in multi-turn chats, when people go back and forth.
Tests show this method picks more natural sounding answers, and makes conversations feel less awkward.
Simple idea, big effect: match first, summarize next, remember in order — and you get better replies that respect the whole context.
It sounds small but, it changes how a bot follows a chat and responds.

Read article comprehensive review in Paperium.net:
Sequential Matching Network: A New Architecture for Multi-turn ResponseSelection in Retrieval-based Chatbots

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