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Dialogue system
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Dialogue system
A dialogue system, or conversational agent (CA), is a computer system intended to converse with a human. Dialogue systems employ one or more of text, speech, graphics, haptics, gestures, and other modes for communication on both the input and output channel.
The elements of a dialogue system are not defined because this idea is under research;[citation needed] however, they are different from chatbots. The typical GUI wizard engages in a sort of dialogue, but it includes very few of the common dialogue system components, and the dialogue state is trivial.
After dialogue systems based only on written text processing starting from the early Sixties, the first speaking dialogue system was issued by the DARPA Project in the US in 1977. After the end of this 5-year project, some European projects issued the first dialogue system able to speak many languages (also French, German and Italian). Those first systems were used in the telecom industry to provide phone various services in specific domains, e.g. automated agenda and train tables service.
What sets of components are included in a dialogue system, and how those components divide up responsibilities differs from system to system. Principal to any dialogue system is the dialogue manager, which is a component that manages the state of the dialogue, and dialogue strategy. A typical activity cycle in a dialogue system contains the following phases:
Dialogue systems that are based on a text-only interface (e.g. text-based chat) contain only stages 2–5.
Dialogue systems fall into the following categories, which are listed here along a few dimensions. Many of the categories overlap and the distinctions may not be well established.
Some authors measure the dialogue system's performance in terms of the percentage of sentences completely right, by comparing the model of sentences (this measure is called Concept Sentence Accuracy or Sentence Understanding). Dialogue systems can sometimes give inconsistent responses depending on how users phrase their questions.
Dialogue systems can support a broad range of applications in business enterprises, education, government, healthcare, and entertainment. For example:
Hub AI
Dialogue system AI simulator
(@Dialogue system_simulator)
Dialogue system
A dialogue system, or conversational agent (CA), is a computer system intended to converse with a human. Dialogue systems employ one or more of text, speech, graphics, haptics, gestures, and other modes for communication on both the input and output channel.
The elements of a dialogue system are not defined because this idea is under research;[citation needed] however, they are different from chatbots. The typical GUI wizard engages in a sort of dialogue, but it includes very few of the common dialogue system components, and the dialogue state is trivial.
After dialogue systems based only on written text processing starting from the early Sixties, the first speaking dialogue system was issued by the DARPA Project in the US in 1977. After the end of this 5-year project, some European projects issued the first dialogue system able to speak many languages (also French, German and Italian). Those first systems were used in the telecom industry to provide phone various services in specific domains, e.g. automated agenda and train tables service.
What sets of components are included in a dialogue system, and how those components divide up responsibilities differs from system to system. Principal to any dialogue system is the dialogue manager, which is a component that manages the state of the dialogue, and dialogue strategy. A typical activity cycle in a dialogue system contains the following phases:
Dialogue systems that are based on a text-only interface (e.g. text-based chat) contain only stages 2–5.
Dialogue systems fall into the following categories, which are listed here along a few dimensions. Many of the categories overlap and the distinctions may not be well established.
Some authors measure the dialogue system's performance in terms of the percentage of sentences completely right, by comparing the model of sentences (this measure is called Concept Sentence Accuracy or Sentence Understanding). Dialogue systems can sometimes give inconsistent responses depending on how users phrase their questions.
Dialogue systems can support a broad range of applications in business enterprises, education, government, healthcare, and entertainment. For example:
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