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Related papers: Towards Efficient Matching of Regexes with Backref…

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We study 4 problems in string matching, namely, regular expression matching, approximate regular expression matching, string edit distance, and subsequence indexing, on a standard word RAM model of computation that allows logarithmic-sized…

Data Structures and Algorithms · Computer Science 2008-09-22 Philip Bille , Martin Farach-Colton

Regular expressions are a fundamental concept in computer science and widely used in various applications. In this paper we focused on deterministic regular expressions (DREs). Considering that researchers didn't have large datasets as…

Databases · Computer Science 2018-06-01 Yeting Li , Xinyu Chu , Xiaoying Mou , Chunmei Dong , Haiming Chen

Most modern libraries for regular expression matching allow back-references (i.e., repetition operators) that substantially increase expressive power, but also lead to intractability. In order to find a better balance between expressiveness…

Formal Languages and Automata Theory · Computer Science 2018-02-06 Dominik D. Freydenberger , Markus L. Schmid

In this article we investigate how a subterm pattern matching algorithm can be exploited to implement efficient term rewriting procedures. From the left-hand sides of the rewrite system we construct a set automaton, which can be used to…

Computation and Language · Computer Science 2023-04-07 Mark Bouwman , Rick Erkens

A regular expression specifies a set of strings formed by single characters combined with concatenation, union, and Kleene star operators. Given a regular expression $R$ and a string $Q$, the regular expression matching problem is to decide…

Data Structures and Algorithms · Computer Science 2023-11-07 Philip Bille , Inge Li Gørtz

Machine learning algorithms are commonly specified in linear algebra (LA). LA expressions can be rewritten into more efficient forms, by taking advantage of input properties such as sparsity, as well as program properties such as common…

Databases · Computer Science 2020-12-24 Yisu Remy Wang , Shana Hutchison , Jonathan Leang , Bill Howe , Dan Suciu

Many constraints restricting the result of some computations over an integer sequence can be compactly represented by register automata. We improve the propagation of the conjunction of such constraints on the same sequence by synthesising…

Artificial Intelligence · Computer Science 2019-01-29 Ekaterina Arafailova , Nicolas Beldiceanu , Helmut Simonis

The complexities of legalese in terms and policy documents can bind individuals to contracts they do not fully comprehend, potentially leading to uninformed data sharing. Our work seeks to alleviate this issue by developing language models…

Computation and Language · Computer Science 2024-04-23 Shikha Soneji , Mitchell Hoesing , Sujay Koujalgi , Jonathan Dodge

It has previously been shown that by using reinforcement learning (RL), agents can derive simple approximate and exact-restricted numeral systems that are similar to human ones (Carlsson, 2021). However, it is a major challenge to show how…

Computation and Language · Computer Science 2025-05-20 Andrea Silvi , Jonathan Thomas , Emil Carlsson , Devdatt Dubhashi , Moa Johansson

In reinforcement learning, Reverse Experience Replay (RER) is a recently proposed algorithm that attains better sample complexity than the classic experience replay method. RER requires the learning algorithm to update the parameters…

Machine Learning · Computer Science 2024-09-02 Nan Jiang , Jinzhao Li , Yexiang Xue

Automated Synthesis Planning has recently re-emerged as a research area at the intersection of chemistry and machine learning. Despite the appearance of steady progress, we argue that imperfect benchmarks and inconsistent comparisons mask…

Machine Learning · Computer Science 2024-09-09 Krzysztof Maziarz , Austin Tripp , Guoqing Liu , Megan Stanley , Shufang Xie , Piotr Gaiński , Philipp Seidl , Marwin Segler

Recent systems for converting natural language descriptions into regular expressions (regexes) have achieved some success, but typically deal with short, formulaic text and can only produce simple regexes. Realworld regexes are complex,…

Computation and Language · Computer Science 2020-08-05 Xi Ye , Qiaochu Chen , Xinyu Wang , Isil Dillig , Greg Durrett

Researchers are often interested in linking individuals between two datasets that lack a common unique identifier. Matching procedures often struggle to match records with common names, birthplaces or other field values. Computational…

Methodology · Statistics 2021-06-14 Thomas Stringham

Referring expression comprehension (REC) aims to localize a target object within an image based on a given expression. Although recent advances in vision-language models have led to substantial improvements in REC tasks, current REC…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zongjian Wu , Lei Zhang

Information, stored or transmitted in digital form, is often structured. Individual data records are usually represented as hierarchies of their elements. Together, records form larger structures. Information processing applications have to…

Computation and Language · Computer Science 2007-05-23 Nikita Schmidt , Ahmed Patel

Data trees serve as an abstraction of structured data, such as XML documents. A number of specification formalisms for languages of data trees have been developed, many of them adhering to the paradigm of register automata, which is based…

Formal Languages and Automata Theory · Computer Science 2024-07-12 Simon Prucker , Lutz Schröder

Ensuring that Software Requirements Specifications (SRS) align with higher-level organizational or national requirements is vital, particularly in regulated environments such as finance and aerospace. In these domains, maintaining…

Software Engineering · Computer Science 2024-12-12 Arsalan Masoudifard , Mohammad Mowlavi Sorond , Moein Madadi , Mohammad Sabokrou , Elahe Habibi

In this paper, we propose a multi-modal synthesis technique for automatically constructing regular expressions (regexes) from a combination of examples and natural language. Using multiple modalities is useful in this context because…

Programming Languages · Computer Science 2020-03-24 Qiaochu Chen , Xinyu Wang , Xi Ye , Greg Durrett , Isil Dillig

Noisy, partially overlapping data and the need for real-time processing pose major challenges for rigid registration. Considering that feature-based matching can handle large transformation differences but suffers from limited accuracy,…

Robotics · Computer Science 2026-05-18 Jiayi Li , Yuxin Yao , Qiuhang Lu , Juyong Zhang

In this paper, we present the design and architecture of REI, a novel system for indexing log data for regular expression queries. Our main contribution is an $n$-gram-based indexing strategy and an efficient storage mechanism that results…

Databases · Computer Science 2025-10-14 Ling Zhang , Shaleen Deep , Jignesh M. Patel , Karthikeyan Sankaralingam
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