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We present Zar: a formally verified compiler pipeline from discrete probabilistic programs with unbounded loops in the conditional probabilistic guarded command language (cpGCL) to proved-correct executable samplers in the random bit model.…

Programming Languages · Computer Science 2023-04-24 Alexander Bagnall , Gordon Stewart , Anindya Banerjee

Knowledge graphs (KGs) have shown to be an important asset of large companies like Google and Microsoft. KGs play an important role in providing structured and semantically rich information, making them available to people and machines, and…

Databases · Computer Science 2020-05-05 Elwin Huaman , Elias Kärle , Dieter Fensel

The rapid development of large language models has led to the widespread adoption of Retrieval-Augmented Generation (RAG), which integrates external knowledge to alleviate knowledge bottlenecks and mitigate hallucinations. However, the…

Computation and Language · Computer Science 2024-10-10 Ruotong Pan , Boxi Cao , Hongyu Lin , Xianpei Han , Jia Zheng , Sirui Wang , Xunliang Cai , Le Sun

And-Inverter Graphs (AIGs) are a popular way to represent Boolean functions (like circuits). AIG simplification algorithms can dramatically reduce an AIG, and play an important role in modern hardware verification tools like equivalence…

Logic in Computer Science · Computer Science 2013-05-01 Jared Davis , Sol Swords

Knowledge graph embeddings (KGE) apply machine learning methods on knowledge graphs (KGs) to provide non-classical reasoning capabilities based on similarities and analogies. The learned KG embeddings are typically used to answer queries by…

Artificial Intelligence · Computer Science 2025-01-28 Yuqicheng Zhu , Nico Potyka , Jiarong Pan , Bo Xiong , Yunjie He , Evgeny Kharlamov , Steffen Staab

Knowledge graphs store a large number of factual triples while they are still incomplete, inevitably. The previous knowledge graph completion (KGC) models predict missing links between entities merely relying on fact-view data, ignoring the…

Artificial Intelligence · Computer Science 2022-04-19 Guanglin Niu , Bo Li , Yongfei Zhang , Shiliang Pu

Computational imaging forward models, from coded aperture spectral cameras to MRI scanners, are traditionally implemented as monolithic, modality-specific codes. We prove that every forward model in a broad, precisely defined operator class…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Chengshuai Yang

We target the problem of provably computing the equivalence between two complex expression trees. To this end, we formalize the problem of equivalence between two such programs as finding a set of semantics-preserving rewrite rules from one…

Programming Languages · Computer Science 2021-06-10 Steve Kommrusch , Théo Barollet , Louis-Noël Pouchet

Complex Query Answering (CQA) is an important reasoning task on knowledge graphs. Current CQA learning models have been shown to be able to generalize from atomic operators to more complex formulas, which can be regarded as the…

Computation and Language · Computer Science 2021-11-08 Zihao Wang , Hang Yin , Yangqiu Song

Knowledge graph completion (KGC) aims to predict missing facts in knowledge graphs (KGs), which is crucial as modern KGs remain largely incomplete. While training KGC models on multiple aligned KGs can improve performance, previous methods…

Computation and Language · Computer Science 2023-12-19 Wei Tang , Zhiqian Wu , Yixin Cao , Yong Liao , Pengyuan Zhou

Formal verification of neuro-symbolic cyber-physical systems, such as drones, medical devices and robots, is complicated. Neural components must be trained to be optimal with respect to the available data as well as the safety…

Knowledge Graph Completion (KGC) aims at automatically predicting missing links for large-scale knowledge graphs. A vast number of state-of-the-art KGC techniques have got published at top conferences in several research fields, including…

Computation and Language · Computer Science 2020-07-10 Zhiqing Sun , Shikhar Vashishth , Soumya Sanyal , Partha Talukdar , Yiming Yang

A probability forecast or probabilistic classifier is reliable or calibrated if the predicted probabilities are matched by ex post observed frequencies, as examined visually in reliability diagrams. The classical binning and counting…

Methodology · Statistics 2021-08-26 Timo Dimitriadis , Tilmann Gneiting , Alexander I. Jordan

In this work, we aim to leverage prior symbolic knowledge to improve the performance of deep models. We propose a graph embedding network that projects propositional formulae (and assignments) onto a manifold via an augmented Graph…

Artificial Intelligence · Computer Science 2019-10-30 Yaqi Xie , Ziwei Xu , Mohan S. Kankanhalli , Kuldeep S. Meel , Harold Soh

Commonsense reasoning in natural language is a desired ability of artificial intelligent systems. For solving complex commonsense reasoning tasks, a typical solution is to enhance pre-trained language models~(PTMs) with a knowledge-aware…

Computation and Language · Computer Science 2022-05-05 Jinhao Jiang , Kun Zhou , Wayne Xin Zhao , Ji-Rong Wen

Composition technologies improve reuse in the development of large-scale complex systems. Safety critical systems require intensive validation and verification activities. These activities should be compositional in order to reduce the…

Software Engineering · Computer Science 2014-04-04 Mounira Kezadri Hamiaz , Marc Pantel , Benoît Combemale , Xavier Thirioux

We present a method for verifying partial correctness properties of imperative programs that manipulate integers and arrays by using techniques based on the transformation of constraint logic programs (CLP). We use CLP as a metalanguage for…

Programming Languages · Computer Science 2013-09-23 Emanuele De Angelis , Fabio Fioravanti , Alberto Pettorossi , Maurizio Proietti

Exact real computation is an alternative to floating-point arithmetic where operations on real numbers are performed exactly, without the introduction of rounding errors. When proving the correctness of an implementation, one can focus…

Logic in Computer Science · Computer Science 2024-10-22 Michal Konečný , Sewon Park , Holger Thies

Multi-Modal Knowledge Graphs (MMKGs) have proven valuable for various downstream tasks. However, scaling them up is challenging because building large-scale MMKGs often introduces mismatched images (i.e., noise). Most entities in KGs belong…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yikai Zhang , Qianyu He , Xintao Wang , Siyu Yuan , Jiaqing Liang , Yanghua Xiao

Knowledge Graphs (KGs) store structured factual knowledge by linking entities through relationships, crucial for many applications. These applications depend on the KG's factual accuracy, so verifying facts is essential, yet challenging.…

Databases · Computer Science 2026-02-12 Farzad Shami , Stefano Marchesin , Gianmaria Silvello