Laboratory for Information and Decision Systems (LIDS)

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Unpacking the bias of large language models

June 20, 2025

In a new study, researchers discover the root cause of a type of bias in LLMs, paving the way for more accurate and reliable AI systems.

Melding data, systems, and society

June 11, 2025

A new book from Professor Munther Dahleh details the creation of a unique kind of transdisciplinary center, uniting many specialties through a common need for data science.

An anomaly detection framework anyone can use

May 29, 2025

PhD student Sarah Alnegheimish wants to make machine learning systems accessible.

The sweet taste of a new idea

May 20, 2025

Sendhil Mullainathan brings a lifetime of unique perspectives to research in behavioral economics and machine learning.

Study shows vision-language models can’t handle queries with negation words

May 14, 2025

Words like “no” and “not” can cause this popular class of AI models to fail unexpectedly in high-stakes settings, such as medical diagnosis.

Tracking gene expression changes through cell lineage progression with PORCELAN

February 19, 2025

A new method for detecting gene-expression patterns linked to lineage progression, providing a powerful tool for studying cell state memory across biological systems.

Algorithms and AI for a better world

January 16, 2025

Assistant Professor Manish Raghavan wants computational techniques to help solve societal problems.

How hard is it to prevent recurring blackouts in Puerto Rico?

January 10, 2025

Using the island as a model, researchers demonstrate the “DyMonDS” framework can improve resiliency to extreme weather and ease the integration of new resources.

Researchers reduce bias in AI models while preserving or improving accuracy

December 11, 2024

A new technique identifies and removes the training examples that contribute most to a machine-learning model’s failures.

Beery, Farina, Ghassemi, Kim named AI2050 Early Career Fellows

December 10, 2024

The new crop of AI2050 Early Career Fellows was announced Dec. 10th.