The advent of recent Natural Language Processing technology has led human and machine
interactions more toward conversation. In Conversational Search Systems (CSS) like …

Question generation is an important yet challenging problem in Artificial Intelligence (AI),
which aims to generate natural and relevant questions from various input formats, eg …

Enabling open-domain dialogue systems to ask clarifying questions when appropriate is an
important direction for improving the quality of the system response. Namely, for cases when …

We introduce GODEL (Grounded Open Dialogue Language Model), a large pre-trained
language model for dialog. In contrast with earlier models such as DialoGPT, GODEL …

In recent years, progress in NLU has been driven by benchmarks. These benchmarks are
typically collected by crowdsourcing, where annotators write examples based on annotation …

With the emergence of various information access systems exhibiting increasing complexity,
there is a critical need for sound and scalable means of automatic evaluation. To address …

A conversational information retrieval (CIR) system is an information retrieval (IR) system
with a conversational interface, which allows users to interact with the system to seek …

The NLP community has seen substantial recent interest in grounding to facilitate interaction
between language technologies and the world. However, as a community, we use the term …

Clarifying underlying user information needs by asking clarifying questions is an important
feature of modern conversational search systems. However, evaluation of such systems …

Users often ask dialogue systems ambiguous questions that require clarification. We show
that current language models rarely ask users to clarify ambiguous questions and instead …