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Recent years have witnessed rapid advances in graph representation learning, with the continuous embedding approach emerging as the dominant paradigm. However, such methods encounter issues regarding parameter efficiency, interpretability,…

Machine Learning · Computer Science 2026-01-22 Qika Lin , Zhen Peng , Kaize Shi , Kai He , Yiming Xu , Jian Zhang , Erik Cambria , Mengling Feng

Dependency quantified Boolean formulas (DQBF) is a logic admitting existential quantification over Boolean functions, which allows us to elegantly state synthesis problems in verification such as the search for invariants, programs, or…

Logic in Computer Science · Computer Science 2019-05-08 Leander Tentrup , Markus N. Rabe

Determining the validity of a quantified Boolean formula (QBF) is a PSPACE-complete problem with rich expressive power. Despite interest in efficient solvers, there is, compared to problems in NP, a lack of positive theoretical results, and…

Computational Complexity · Computer Science 2026-05-13 Leif Eriksson , Victor Lagerkvist , Sebastian Ordyniak , George Osipov , Fahad Panolan , Mateusz Rychlicki

QCTL extends the temporal logic CTL with quantifications over atomic propositions. This extension is known to be very expressive: QCTL allows us to express complex properties over Kripke structures (it is as expressive as MSO). Several…

Logic in Computer Science · Computer Science 2019-06-25 Akash Hossain , Francois Laroussinie

This paper introduces an efficient quantum computing method for reducing special graphs in the context of the graph coloring problem. The special graphs considered include both symmetric and non-symmetric graphs where the axis passes…

Quantum Physics · Physics 2025-10-21 Lord Sen , Shyamapada Mukherjee

In this paper, we address the problem of enumerating all models of a Boolean formula in conjunctive normal form (CNF). We propose an extension of CDCL-based SAT solvers to deal with this fundamental problem. Then, we provide an experimental…

Artificial Intelligence · Computer Science 2013-05-08 Said Jabbour , Lakhdar Sais , Yakoub Salhi

We consider planning with uncertainty in the initial state as a case study of incremental quantified Boolean formula (QBF) solving. We report on experiments with a workflow to incrementally encode a planning instance into a sequence of…

Logic in Computer Science · Computer Science 2016-04-05 Uwe Egly , Martin Kronegger , Florian Lonsing , Andreas Pfandler

We present a general procedure to decompose Beyond the Standard Model (BSM) collider signatures presenting a Z2 symmetry into Simplified Model Spectrum (SMS) topologies. Our method provides a way to cast BSM predictions for the LHC in a…

High Energy Physics - Phenomenology · Physics 2014-06-19 Sabine Kraml , Suchita Kulkarni , Ursula Laa , Andre Lessa , Wolfgang Magerl , Doris Proschofsky-Spindler , Wolfgang Waltenberger

Many verification and synthesis approaches rely on solving techniques for quantified Boolean formulas (QBF). Consequently, solution witnesses, in the form of Boolean functions, become more and more important as they represent…

Logic in Computer Science · Computer Science 2018-09-11 Jesko Hecking-Harbusch , Leander Tentrup

Set queries are fundamental operations in computer systems and applications.This paper addresses the fundamental problem of designing a probabilistic data structure that can quickly process set queries using a small amount of memory. We…

Data Structures and Algorithms · Computer Science 2016-03-23 Tong Yang , Alex X. Liu , Muhammad Shahzad , Yuankun Zhong , Qiaobin Fu , Zi Li , Gaogang Xie , Xiaoming Li

A quantum algorithm for combinatorial search is presented that provides a simple framework for utilizing search heuristics. The algorithm is evaluated in a new case that is an unstructured version of the graph coloring problem. It performs…

Quantum Physics · Physics 2009-10-06 Tad Hogg

Query-focused summarization (QFS) aims to produce summaries that answer particular questions of interest, enabling greater user control and personalization. While recently released datasets, such as QMSum or AQuaMuSe, facilitate research…

Computation and Language · Computer Science 2022-04-28 Jesse Vig , Alexander R. Fabbri , Wojciech Kryściński , Chien-Sheng Wu , Wenhao Liu

The recently developed massively parallel satisfiability (SAT) solver HordeSAT was designed in a modular way to allow the integration of any sequential CDCL-based SAT solver in its core. We integrated the QCDCL-based quantified Boolean…

Logic in Computer Science · Computer Science 2016-06-15 Tomas Balyo , Florian Lonsing

We introduce new semi-algebraic proof systems for Quantified Boolean Formulas (QBF) analogous to the propositional systems Nullstellensatz, Sherali-Adams and Sum-of-Squares. We transfer to this setting techniques both from the QBF…

Logic in Computer Science · Computer Science 2025-11-12 Olaf Beyersdorff , Ilario Bonacina , Kaspar Kasche , Meena Mahajan , Luc Nicolas Spachmann

Many important science and engineering problems can be converted into NP-complete problems which are of significant importance in computer science and mathematics. Currently, neither existing classical nor quantum algorithms can solve these…

Quantum Physics · Physics 2025-03-13 Junpeng Zhan

Quantifier-free nonlinear arithmetic (QF_NRA) appears in many applications of satisfiability modulo theories solving (SMT). Accordingly, efficient reasoning for corresponding constraints in SMT theory solvers is highly relevant. We propose…

Logic in Computer Science · Computer Science 2018-04-30 Pascal Fontaine , Mizuhito Ogawa , Thomas Sturm , Xuan Tung Vu

Moving objects to find a fully-occluded target object, known as mechanical search, is a challenging problem in robotics. As objects are often organized semantically, we conjecture that semantic information about object relationships can…

Query-focused summarization (QFS) aims to provide a summary of a document that satisfies information need of a given query and is useful in various IR applications, such as abstractive snippet generation. Current QFS approaches typically…

Information Retrieval · Computer Science 2023-04-25 Zhichao Xu , Daniel Cohen

In this study, we evaluate the performance of classical and quantum-inspired sequential models in forecasting univariate time series of incoming SMS activity (SMS-in) using the Milan Telecommunication Activity Dataset. Due to data…

Quantum Physics · Physics 2025-09-24 Chi-Sheng Chen , Samuel Yen-Chi Chen , Yun-Cheng Tsai

Quantified CTL (QCTL) extends the temporal logic CTL with quantifications over atomic propositions. This extension is known to be very expressive: QCTL allows us to express complex properties over Kripke structures (it is as expressive as…

Logic in Computer Science · Computer Science 2020-10-08 A. Hossain , F. Laroussinie