Search Results for author: Sha Lai

Found 4 papers, 2 papers with code

Detecting Frames in News Headlines and Lead Images in U.S. Gun Violence Coverage

no code implementations Findings (EMNLP) 2021 Isidora Tourni, Lei Guo, Taufiq Husada Daryanto, Fabian Zhafransyah, Edward Edberg Halim, Mona Jalal, Boqi Chen, Sha Lai, Hengchang Hu, Margrit Betke, Prakash Ishwar, Derry Tanti Wijaya

Such perspectives are called “frames” in communication research. We study, for the first time, the value of combining lead images and their contextual information with text to identify the frame of a given news article.

Multimodal Text and Image Classification News Annotation +1

An Unsupervised Approach to Discover Media Frames

1 code implementation PoliticalNLP (LREC) 2022 Sha Lai, Yanru Jiang, Lei Guo, Margrit Betke, Prakash Ishwar, Derry Tanti Wijaya

We discuss the effectiveness of our approach by comparing the frames it generates in an unsupervised manner to the domain-expert-derived frames for the issue of gun violence, for which a supervised learning model for frame recognition exists.

Community Detection

BUOCA: Budget-Optimized Crowd Worker Allocation

no code implementations11 Jan 2019 Mehrnoosh Sameki, Sha Lai, Kate K. Mays, Lei Guo, Prakash Ishwar, Margrit Betke

We next train a machine learning system (BUOCA-ML) that predicts an optimal number of crowd workers needed to maximize the accuracy of the labeling.

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