Search Results for author: Fei-Tzin Lee

Found 6 papers, 2 papers with code

Contrastive Loss is All You Need to Recover Analogies as Parallel Lines

1 code implementation14 Jun 2023 Narutatsu Ri, Fei-Tzin Lee, Nakul Verma

While static word embedding models are known to represent linguistic analogies as parallel lines in high-dimensional space, the underlying mechanism as to why they result in such geometric structures remains obscure.

Word Embeddings

An analysis of document graph construction methods for AMR summarization

no code implementations27 Nov 2021 Fei-Tzin Lee, Chris Kedzie, Nakul Verma, Kathleen McKeown

Prior work in AMR-based summarization has automatically merged the individual sentence graphs into a document graph, but the method of merging and its effects on summary content selection have not been independently evaluated.

graph construction Sentence

Identifying therapist conversational actions across diverse psychotherapeutic approaches

no code implementations WS 2019 Fei-Tzin Lee, Derrick Hull, Jacob Levine, Bonnie Ray, Kathy McKeown

We propose to apply dialogue act classification to therapy transcripts, using a therapy-specific labeling scheme, in order to gain a high-level understanding of the flow of conversation in therapy sessions.

Classification Dialogue Act Classification +1

Detecting Gang-Involved Escalation on Social Media Using Context

1 code implementation EMNLP 2018 Serina Chang, Ruiqi Zhong, Ethan Adams, Fei-Tzin Lee, Siddharth Varia, Desmond Patton, William Frey, Chris Kedzie, Kathleen McKeown

Gang-involved youth in cities such as Chicago have increasingly turned to social media to post about their experiences and intents online.

Multimodal Social Media Analysis for Gang Violence Prevention

no code implementations23 Jul 2018 Philipp Blandfort, Desmond Patton, William R. Frey, Svebor Karaman, Surabhi Bhargava, Fei-Tzin Lee, Siddharth Varia, Chris Kedzie, Michael B. Gaskell, Rossano Schifanella, Kathleen McKeown, Shih-Fu Chang

In this paper we partnered computer scientists with social work researchers, who have domain expertise in gang violence, to analyze how public tweets with images posted by youth who mention gang associations on Twitter can be leveraged to automatically detect psychosocial factors and conditions that could potentially assist social workers and violence outreach workers in prevention and early intervention programs.

General Classification

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