49 - A Joint Sequential and Relational Model for Frame-Semantic Parsing, with Bishan Yang

49 - A Joint Sequential and Relational Model for Frame-Semantic Parsing, with Bishan Yang

Author: Allen Institute for Artificial Intelligence February 5, 2018 Duration: 26:38
EMNLP 2017 paper by Bishan Yang and Tom Mitchell. Bishan tells us about her experiments on frame-semantic parsing / semantic role labeling, which is trying to recover the predicate-argument structure from natural language sentences, as well as categorize those structures into a pre-defined event schema (in the case of frame-semantic parsing). Bishan had two interesting ideas here: (1) use a technique similar to model distillation to combine two different model structures (her "sequential" and "relational" models), and (2) use constraints on arguments across frames in the same sentence to get a more coherent global labeling of the sentence. We talk about these contributions, and also touch on "open" versus "closed" semantics, in both predicate-argument structure and information extraction. https://www.semanticscholar.org/paper/A-Joint-Sequential-and-Relational-Model-for-Frame-Yang-Mitchell/a1deb609e3758519cbe3f1a542bdf1ea52b6f224

While NLP Highlights is currently on hiatus, its archive remains a compelling snapshot of conversations from the front lines of computational linguistics. Produced by the Allen Institute for Artificial Intelligence, this science podcast carved out a space for deep, researcher-led discussions about natural language processing. Each episode functions as an informal seminar, where the people actively designing algorithms and pushing the field forward explain their work in their own words. You'll hear about the nuanced challenges behind making machines understand, generate, and reason with human language, from foundational theories to unexpected applications. The dialogue in this podcast often delves into the "why" behind the research, not just the results, offering clarity on complex topics like machine translation, sentiment analysis, or large language models. It’s a chance to listen as experts articulate their thought processes, debates, and moments of insight, with all the candidness that comes from a conversation between peers. The views shared are personal perspectives from the hosts and their guests, independent of their affiliated institutions. For anyone curious about how machines learn to parse meaning, the archived episodes of NLP Highlights provide a thoughtful and accessible entry point.
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