Which concept, central to PARRY and DIALOG, remains fundamental to modern dialogue systems?
Answer
Managing conversational state, even minimally
Despite vast technological shifts, the principle of managing conversational state remains absolutely central to all dialogue systems, dating back to the earliest pioneers. For PARRY, maintaining its simulated paranoid persona required remembering prior assertions about its persecutors. Similarly, DIALOG needed to remember the context of an initial query to correctly process follow-up questions. While early context management relied on simple memory registers or variable substitution, modern systems achieve this through highly complex deep neural context embeddings, illustrating the evolution of a core requirement rather than its elimination.

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