conversation articles
What system created by Joseph Weizenbaum used simple pattern matching for an illusion of comprehension?
What critical flaw caused rule-based dialog state tracking to suffer when the SLU provided multiple hypotheses?
What concept did generative models, dominant in the 2000s, allow the system to explicitly represent using a distribution over states?
What formal probabilistic structure notably dominated generative modeling for DST in the 2000s?
What practical roadblock prevented generative POMDP-based trackers from scaling effectively?
Discriminative models fundamentally changed the objective by directly modeling which probability?
Which researchers are credited with showing how standard multiclass logistic regression could be applied to score enumerated dialog states in 2006?
What was the primary contribution of the Dialog State Tracking Challenge (DSTC) series to the research field?
Approximately when was the Dialog State Tracking Challenge (DSTC) series initiated, solidifying DST as a distinct problem?
What task framing did researchers like Perez and Liu adopt in the mid-to-late 2010s for Dialog State Tracking using deep learning models?
What key advantage did treating DST as an MRC task provide over earlier fixed-ontology methods?
What consistent dominant error type was revealed when analyzing the best-performing trackers in DSTC1 and DSTC2?
Who developed the conversational program ELIZA at the Massachusetts Institute of Technology?
In what year was the program ELIZA created at the Massachusetts Institute of Technology?
What specific therapeutic conversational style did ELIZA mimic to generate responses?
What core technique did ELIZA primarily use for developing its conversational scripts?
What was Joseph Weizenbaum's stated initial purpose for developing ELIZA?
What unsettling result did Weizenbaum observe regarding users' interaction with ELIZA?
Which program, developed by Kenneth Colby at Stanford, acted as a counterpoint to ELIZA?
Unlike ELIZA's neutral role, what condition did the PARRY program simulate?
Which phrases were typical generic fallbacks when ELIZA could not match a user input pattern?