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Related papers: Opacity, Obscurity, and the Geometry of Question-A…

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Deep neural networks have shown striking progress and obtained state-of-the-art results in many AI research fields in the recent years. However, it is often unsatisfying to not know why they predict what they do. In this paper, we address…

Computer Vision and Pattern Recognition · Computer Science 2016-09-12 Yash Goyal , Akrit Mohapatra , Devi Parikh , Dhruv Batra

Extensive recent media focus has been directed towards the dark side of intelligent systems, how algorithms can influence society negatively. Often, transparency is proposed as a solution or step in the right direction. Unfortunately,…

Human-Computer Interaction · Computer Science 2018-12-11 Aaron Springer , Steve Whittaker

Large language models excel at following explicit instructions, but they often struggle with ambiguous or incomplete user requests, defaulting to verbose, generic responses instead of seeking clarification. We introduce InfoQuest, a…

Computation and Language · Computer Science 2025-04-29 Bryan L. M. de Oliveira , Luana G. B. Martins , Bruno Brandão , Luckeciano C. Melo

Natural language processing systems are often downstream of unreliable inputs: machine translation, optical character recognition, or speech recognition. For instance, virtual assistants can only answer your questions after understanding…

Computation and Language · Computer Science 2019-08-09 Denis Peskov , Joe Barrow , Pedro Rodriguez , Graham Neubig , Jordan Boyd-Graber

Visual question answering (VQA) is a task of answering a visual question that is a pair of question and image. Some visual questions are ambiguous and some are clear, and it may be appropriate to change the ambiguity of questions from…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Kento Terao , Toru Tamaki , Bisser Raytchev , Kazufumi Kaneda , Shun'ichi Satoh

Ambiguous questions are a challenge for Question Answering models, as they require answers that cover multiple interpretations of the original query. To this end, these models are required to generate long-form answers that often combine…

Computation and Language · Computer Science 2023-05-23 Konstantinos Papakostas , Irene Papadopoulou

Crowdsourcing can identify high-quality solutions to problems; however, individual decisions are constrained by cognitive biases. We investigate some of these biases in an experimental model of a question-answering system. In both natural…

Human-Computer Interaction · Computer Science 2019-10-02 Keith Burghardt , Tad Hogg , Kristina Lerman

The estimation of depth in two-dimensional images has long been a challenging and extensively studied subject in computer vision. Recently, significant progress has been made with the emergence of Deep Learning-based approaches, which have…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Vasileios Arampatzakis , George Pavlidis , Kyriakos Pantoglou , Nikolaos Mitianoudis , Nikos Papamarkos

Many open-domain questions are under-specified and thus have multiple possible answers, each of which is correct under a different interpretation of the question. Answering such ambiguous questions is challenging, as it requires retrieving…

Computation and Language · Computer Science 2023-08-21 Haitian Sun , William W. Cohen , Ruslan Salakhutdinov

There are two major types of uncertainty one can model. Aleatoric uncertainty captures noise inherent in the observations. On the other hand, epistemic uncertainty accounts for uncertainty in the model -- uncertainty which can be explained…

Computer Vision and Pattern Recognition · Computer Science 2017-10-06 Alex Kendall , Yarin Gal

A face image contains geometric cues in the form of configurational information and contours that can be used to estimate 3D face shape. While it is clear that 3D reconstruction from 2D points is highly ambiguous if no further constraints…

Computer Vision and Pattern Recognition · Computer Science 2019-08-01 Anil Bas , William A. P. Smith

Recent pretrained language models "solved" many reading comprehension benchmarks, where questions are written with access to the evidence document. However, datasets containing information-seeking queries where evidence documents are…

Computation and Language · Computer Science 2021-06-08 Akari Asai , Eunsol Choi

Estimating the difficulty of multiple-choice questions would be great help for educators who must spend substantial time creating and piloting stimuli for their tests, and for learners who want to practice. Supervised approaches to…

Computation and Language · Computer Science 2025-02-03 Leonidas Zotos , Hedderik van Rijn , Malvina Nissim

Word vector representations are central to deep learning natural language processing models. Many forms of these vectors, known as embeddings, exist, including word2vec and GloVe. Embeddings are trained on large corpora and learn the word's…

Computation and Language · Computer Science 2020-07-16 Salvador E. Barbosa

Applications extracting data from crowdsourcing platforms must deal with the uncertainty of crowd answers in two different ways: first, by deriving estimates of the correct value from the answers; second, by choosing crowd questions whose…

Databases · Computer Science 2016-07-19 Antoine Amarilli , Yael Amsterdamer , Tova Milo

The experience and adoption of conversational search is tied to the accuracy and completeness of users' mental models -- their internal frameworks for understanding and predicting system behaviour. Thus, understanding these models can…

Human-Computer Interaction · Computer Science 2025-06-05 Chadha Degachi , Samuel Kernan Freire , Evangelos Niforatos , Gerd Kortuem

In this paper, we investigate a class of information-flow security properties called opacity in partial-observed discrete-event systems. Roughly speaking, a system is said to be opaque if the intruder, which is modeled by a passive…

Systems and Control · Electrical Eng. & Systems 2022-04-01 Bohan Cui , Xiang Yin , Shaoyuan Li , Alessandro Giua

In visual question answering (VQA) context, users often pose ambiguous questions to visual language models (VLMs) due to varying expression habits. Existing research addresses such ambiguities primarily by rephrasing questions. These…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Pu Jian , Donglei Yu , Wen Yang , Shuo Ren , Jiajun Zhang

The issue of how to make embodied agents explainable has experienced a surge of interest over the last three years, and, there are many terms that refer to this concept, e.g., transparency or legibility. One reason for this high variance in…

Robotics · Computer Science 2021-02-19 Sebastian Wallkotter , Silvia Tulli , Ginevra Castellano , Ana Paiva , Mohamed Chetouani

Ambiguity resolution is key to effective communication. While humans effortlessly address ambiguity through conversational grounding strategies, the extent to which current language models can emulate these strategies remains unclear. In…

Computation and Language · Computer Science 2025-09-19 Alberto Testoni , Barbara Plank , Raquel Fernández