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The challenge of determining bounds for the minimal number of vectors in a three-dimensional Kochen-Specker (KS) set has captivated the quantum foundations community for decades. This paper establishes a weak lower bound of 10 vectors,…

Quantum Physics · Physics 2025-06-04 Tom Williams , Andrei Constantin

Machine learning approaches applied to NLP are often evaluated by summarizing their performance in a single number, for example accuracy. Since most test sets are constructed as an i.i.d. sample from the overall data, this approach overly…

Building of data for quality estimation (QE) training is expensive and requires significant human labor. In this study, we focus on a data-centric approach while performing QE, and subsequently propose a fully automatic pseudo-QE dataset…

Computation and Language · Computer Science 2021-11-02 Sugyeong Eo , Chanjun Park , Jaehyung Seo , Hyeonseok Moon , Heuiseok Lim

Neural text generation models are often autoregressive language models or seq2seq models. These models generate text by sampling words sequentially, with each word conditioned on the previous word, and are state-of-the-art for several…

Machine Learning · Statistics 2018-03-02 William Fedus , Ian Goodfellow , Andrew M. Dai

We propose a method for program generation based on semantic scaffolds, lightweight structures representing the high-level semantic and syntactic composition of a program. By first searching over plausible scaffolds then using these as…

Computation and Language · Computer Science 2020-05-13 Ruiqi Zhong , Mitchell Stern , Dan Klein

Existing question answering (QA) systems owe much of their success to large, high-quality training data. Such annotation efforts are costly, and the difficulty compounds in the cross-lingual setting. Therefore, prior cross-lingual QA work…

Computation and Language · Computer Science 2023-10-18 Bryan Li , Chris Callison-Burch

We look at generalisations of sets of vectors proving the Kochen-Specker theorem in 3 and 4 dimensions. It has been shown that two such sets, although unitarily inequivalent, are part of a larger 3-parameter family of vectors that share the…

Quantum Physics · Physics 2015-05-19 Kate Blanchfield

The encoder-decoder model is widely used in natural language generation tasks. However, the model sometimes suffers from repeated redundant generation, misses important phrases, and includes irrelevant entities. Toward solving these…

Computation and Language · Computer Science 2017-12-25 Shun Kiyono , Sho Takase , Jun Suzuki , Naoaki Okazaki , Kentaro Inui , Masaaki Nagata

This study investigates language models' generative capabilities in tool-use dialogs. We categorize the models' outputs in tool-use dialogs into four distinct types: Tool Call, Answer Completion, Slot Question, and Relevance Detection,…

Computation and Language · Computer Science 2024-11-22 Shinbok Lee , Gaeun Seo , Daniel Lee , Byeongil Ko , Sunghee Jung , Myeongcheol Shin

In this paper, we propose a high-quality generative text-to-speech (TTS) system using an effective spectrum and excitation estimation method. Our previous research verified the effectiveness of the ExcitNet-based speech generation model in…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-22 Ohsung Kwon , Eunwoo Song , Jae-Min Kim , Hong-Goo Kang

Question generation (QG) is the task of generating a valid and fluent question based on a given context and the target answer. According to various purposes, even given the same context, instructors can ask questions about different…

Computation and Language · Computer Science 2023-05-29 Shinhyeok Oh , Hyojun Go , Hyeongdon Moon , Yunsung Lee , Myeongho Jeong , Hyun Seung Lee , Seungtaek Choi

Despite the recent progress of generative adversarial networks (GANs) at synthesizing photo-realistic images, producing complex urban scenes remains a challenging problem. Previous works break down scene generation into two consecutive…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Guillaume Le Moing , Tuan-Hung Vu , Himalaya Jain , Patrick Pérez , Matthieu Cord

Generative models lack rigorous statistical guarantees for their outputs and are therefore unreliable in safety-critical applications. In this work, we propose Sequential Conformal Prediction for Generative Models (SCOPE-Gen), a sequential…

Machine Learning · Computer Science 2025-02-18 Klaus-Rudolf Kladny , Bernhard Schölkopf , Michael Muehlebach

Background Based Conversations (BBCs) have been developed to make dialogue systems generate more informative and natural responses by leveraging background knowledge. Existing methods for BBCs can be grouped into two categories:…

Computation and Language · Computer Science 2019-06-18 Yangjun Zhang , Pengjie Ren , Maarten de Rijke

Conversational question answering systems often rely on semantic parsing to enable interactive information retrieval, which involves the generation of structured database queries from a natural language input. For information-seeking…

Computation and Language · Computer Science 2024-01-04 Phillip Schneider , Manuel Klettner , Kristiina Jokinen , Elena Simperl , Florian Matthes

The Kochen-Specker theorem states that a 3-dimensional complex Euclidean space admits a finite configuration of projective lines such that the corresponding quantum observables (the orthogonal projectors) cannot be assigned with 0 and 1…

Quantum Physics · Physics 2015-05-13 Artur Ruuge

We introduce a notion of contextuality for transformations in sequential contexts, distinct from the Bell-Kochen-Specker and Spekkens notions of contextuality. Within a transformation-based model for quantum computation we show that strong…

Quantum Physics · Physics 2018-12-12 Shane Mansfield , Elham Kashefi

We propose BERTScore, an automatic evaluation metric for text generation. Analogously to common metrics, BERTScore computes a similarity score for each token in the candidate sentence with each token in the reference sentence. However,…

Computation and Language · Computer Science 2020-02-25 Tianyi Zhang , Varsha Kishore , Felix Wu , Kilian Q. Weinberger , Yoav Artzi

Using a graph approach to quantum systems, we prove that descriptions of 3-dim Kochen-Specker (KS) setups as well as descriptions of 3-dim spin systems by means of Greechie lattices that we find in the literature are wrong. Correct lattices…

Quantum Physics · Physics 2010-10-13 Mladen Pavicic , Brendan D. McKay , Norman D. Megill , Kresimir Fresl

Violation of a noncontextuality inequality or the phenomenon referred to `quantum contextuality' is a fundamental feature of quantum theory. In this article, we derive a novel family of noncontextuality inequalities along with their…

Quantum Physics · Physics 2022-03-07 Debashis Saha , Rafael Santos , Remigiusz Augusiak