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Existential rules, a.k.a. dependencies in databases, and Datalog+/- in knowledge representation and reasoning recently, are a family of important logical languages widely used in computer science and artificial intelligence. Towards a deep…

人工智能 · 计算机科学 2020-01-24 Heng Zhang , Yan Zhang , Guifei Jiang

This paper presents a new approach to regulation of grammars. It divides the derivation trees generated by grammars into two sections-generative and conclusive (the conclusion). The former encompasses generation of symbols up till the…

形式语言与自动机理论 · 计算机科学 2022-09-01 Dominika Klobučníková , Zbyněk Křivka , Alexander Meduna

Generic generation and manipulation of text is challenging and has limited success compared to recent deep generative modeling in visual domain. This paper aims at generating plausible natural language sentences, whose attributes are…

机器学习 · 计算机科学 2018-09-14 Zhiting Hu , Zichao Yang , Xiaodan Liang , Ruslan Salakhutdinov , Eric P. Xing

This paper investigates the finite generation of cluster automorphism groups. By applying the pseudo $\mathbb{N}$-grading introduced in our previous work, we establish a sufficient condition for a cluster automorphism group to be finitely…

环与代数 · 数学 2026-05-28 Changjian Fu , Zhanhong Liang , Yinzhi Wang

Probabilistic dependency graphs (PDGs) are a flexible class of probabilistic graphical models, subsuming Bayesian Networks and Factor Graphs. They can also capture inconsistent beliefs, and provide a way of measuring the degree of this…

数据结构与算法 · 计算机科学 2023-11-10 Oliver E. Richardson , Joseph Y. Halpern , Christopher De Sa

Closed classes of three-valued logic generated by symmetric funtions that equal $1$ in almost all tuples from $\{1,2\}^n$ and equal $0$ on the rest tuples are considered. Criteria for bases existence for these classes is obtained.

逻辑 · 数学 2015-04-15 Anna Mikhailovich

We propose Future Discriminators for Generation (FUDGE), a flexible and modular method for controlled text generation. Given a pre-existing model G for generating text from a distribution of interest, FUDGE enables conditioning on a desired…

计算与语言 · 计算机科学 2021-08-17 Kevin Yang , Dan Klein

Syntactic Transformer language models aim to achieve better generalization through simultaneously modeling syntax trees and sentences. While prior work has been focusing on adding constituency-based structures to Transformers, we introduce…

计算与语言 · 计算机科学 2024-07-25 Yida Zhao , Chao Lou , Kewei Tu

We endow the homotopy category of well generated (pretriangulated) dg categories with a tensor product satisfying a universal property. The resulting monoidal structure is symmetric and closed with respect to the cocontinuous RHom of dg…

范畴论 · 数学 2021-07-23 Wendy Lowen , Julia Ramos González

We study the parameterized complexity of evaluating Ontology Mediated Queries (OMQs) based on Guarded TGDs (GTGDs) and Unions of Conjunctive Queries (UCQs), in the case where relational symbols have unrestricted arity and where the…

计算机科学中的逻辑 · 计算机科学 2021-06-24 Cristina Feier

A group $G$ is twisted conjugacy separable if for every automorphism $\varphi$, distinct $\varphi$-twisted conjugacy classes can be separated in a finite quotient. Likewise, $G$ is completely twisted conjugacy separable if for any group $H$…

群论 · 数学 2026-03-04 Sam Tertooy

This paper lays the foundations of triangulated persistence categories (TPC), which brings together persistence modules with the theory of triangulated categories. As a result we introduce several measurements and metrics on the set of…

代数拓扑 · 数学 2021-04-27 Paul Biran , Octav Cornea , Jun Zhang

In this paper, we initiate a systematic study of entanglements of division fields from a group theoretic perspective. For a positive integer $n$ and a subgroup $G\subseteq \text{GL}_2(\mathbb{Z}/{n}\mathbb{Z})$ with surjective determinant,…

数论 · 数学 2022-04-08 Harris B. Daniels , Jackson S. Morrow

We define a decidable class of TAGs that is strongly equivalent to CFGs and is cubic-time parsable. This class serves to lexicalize CFGs in the same manner as the LCFGs of Schabes and Waters but with considerably less restriction on the…

cmp-lg · 计算机科学 2008-02-03 James Rogers

Graded Type Theory provides a mechanism to track and reason about resource usage in type systems. In this paper, we develop GraD, a novel version of such a graded dependent type system that includes functions, tensor products, additive…

编程语言 · 计算机科学 2021-01-07 Pritam Choudhury , Harley Eades , Richard A. Eisenberg , Stephanie C Weirich

Question Generation (QG) is a task within Natural Language Processing (NLP) that involves automatically generating questions given an input, typically composed of a text and a target answer. Recent work on QG aims to control the type of…

计算与语言 · 计算机科学 2025-06-10 Bernardo Leite , Henrique Lopes Cardoso

We establish a criterion for determining when a family of geometric functors is jointly conservative through the lens of purity in compactly generated triangulated categories. We introduce the notion of pure descendability and we apply it…

代数拓扑 · 数学 2026-02-17 Natàlia Castellana , Juan Omar Gómez

A graded tensor category over a group $G$ will be called a strongly $G$-graded tensor category if every homogeneous component has at least one multiplicativily invertible object. Our main result is a description of the module categories…

量子代数 · 数学 2014-02-26 César Galindo

We study the notion of twisted conjugacy separability (essentially introduced in our previous paper for a proof of twisted version of Burnside-Frobenius theorem) and some related properties. We give examples of groups with and without this…

群论 · 数学 2012-05-04 Alexander Fel'shtyn , Evgenij Troitsky

This paper explores the finiteness of the solution set of the polynomial complementarity problem (PCP). To achieve this goal, we introduce two new classes of structured tensor tuples, namely the nondegenerate tensor tuple and the strong…

最优化与控制 · 数学 2025-07-29 Sonali Sharma , V. Vetrivel