A Joint Model of Language and Perception for Grounded Attribute Learning
Open accessAbstract
As robots become more ubiquitous and capable, it becomes ever more important to enable untrained users to easily interact with them. Recently, this has led to study of the language grounding problem, where the goal is to extract representations of the meanings of natural language tied to perception and actuation in the physical world. In this paper, we present an approach for joint learning of language and perception models for grounded attribute induction. Our perception model includes attribute classifiers, for example to detect object color and shape, and the language model is based on a probabilistic categorial grammar that enables the construction of rich, compositional meaning representations. The approach is evaluated on the task of interpreting sentences that describe sets of objects in a physical workspace. We demonstrate accurate task performance and effective latent-variable concept induction in physical grounded scenes.
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LMs are particularly susceptible to hallucination, making it essential to penalize such behavior.
“LMs are particularly susceptible to hallucination [77,113], making it essential to penalize such behavior.”
From RLHF Deciphered: A Critical Analysis of Reinforcement Learning from Human Feedback for LLMs (2026) · cites this paper as [113]
The Joint Language/Perception Model (p. 4) describes a semantic parser and visual classifiers, while Model Learning (pp. 4–5) describes their training. Searches for hallucination and for penalizing false language-model outputs found no passage addressing either the claimed susceptibility or the need to penalize it. (LLM, conf=0.78)
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- Authors
- Matuszek, C., FitzGerald, N., Zettlemoyer, L., Bo, L., & Fox, D.
- Affiliations
- University of Washington (US)
- Venue
- Maryland Shared Open Access Repository
- Publisher
- Maryland Shared Open Access Repository
- Published
- 2012-06-27
- Pages
- 1435-1442
- ISSN
- 2331-8422 (ISSN-L)
- OpenAlex
- W1923162067
- Cited by
- 248
- References
- 2
- Citations by year
- 2025: 1 · 2024: 3 · 2023: 7 · 2022: 4 · 2021: 12 · 2020: 12 · 2019: 21 · 2018: 32 · 2017: 34 · 2016: 26 · 2015: 38 · 2014: 33 · 2013: 23 · 2012: 1
- Type
- posted content
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- arXiv (Cornell University) (submittedVersion)
- Maryland Shared Open Access Repository (USMAI Consortium) (submittedVersion)
- arXiv (Cornell University)
- Digital Repository at the University of Maryland (University of Maryland College Park)
- Funders
- National Science Foundation (1115966)
- Army Research Laboratory (W911NF, W911NF-10, W911NF-10-2-0016)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Categorization, perception, and language
- Physical Sciences › Engineering › Control and Systems Engineering › Robot Manipulation and Learning
- Physical Sciences › Computer Science › Artificial Intelligence › Speech and dialogue systems
- Keywords
- language grounding, robot interaction
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