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Related papers: Dynamic Complexity of Document Spanners

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We consider the problem of evaluating regular spanners over compressed documents, i.e., we wish to solve evaluation tasks directly on the compressed data, without decompression. As compressed forms of the documents we use straight-line…

Data Structures and Algorithms · Computer Science 2021-01-27 Markus L. Schmid , Nicole Schweikardt

Recent video multimodal large language models (MLLMs) increasingly couple step-by-step reasoning with on-demand visual evidence retrieval, allowing models to revisit relevant video segments during inference. However, two structural gaps…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Peng Zhang , Guanghao Zhang , Wanggui He , Longxiang Zhang , Mushui Liu , Yan Xia , Zhenhao Peng , Weilong Dai , Jinlong Liu , Haobing Tang , Le Zhang , Hao Jiang , Pipei Huang

Regular expressions and automata models with capture variables are core tools in rule-based information extraction. These formalisms, also called regular document spanners, use regular languages in order to locate the data that a user wants…

Databases · Computer Science 2018-03-15 Fernando Florenzano , Cristian Riveros , Martin Ugarte , Stijn Vansummeren , Domagoj Vrgoc

Dynamics and uncertainty are essential features of real-life argumentation, and many recent studies have focused on integrating both aspects into Dung's well-known abstract Argumentation Frameworks (AFs). This paper proposes a combination…

Logic in Computer Science · Computer Science 2023-02-08 Antonio Yuste-Ginel , Andreas Herzig

Reading comprehension models are based on recurrent neural networks that sequentially process the document tokens. As interest turns to answering more complex questions over longer documents, sequential reading of large portions of text…

Computation and Language · Computer Science 2018-09-11 Mor Geva , Jonathan Berant

Patnaik and Immerman introduced the dynamic complexity class DynFO of database queries that can be maintained by first-order dynamic programs with the help of auxiliary relations under insertions and deletions of edges (Patnaik and Immerman…

Logic in Computer Science · Computer Science 2017-04-06 Samir Datta , Raghav Kulkarni , Anish Mukherjee , Thomas Schwentick , Thomas Zeume

Span extraction, aiming to extract text spans (such as words or phrases) from plain texts, is a fundamental process in Information Extraction. Recent works introduce the label knowledge to enhance the text representation by formalizing the…

Computation and Language · Computer Science 2021-11-02 Pan Yang , Xin Cong , Zhenyun Sun , Xingwu Liu

In \cite{sp25}, continuous information frames were introduced that capture exactly all continuous domains. They are obtained from the information frames considered in \cite{sp21} by omitting the conservativity requirement. Information…

Logic in Computer Science · Computer Science 2025-07-29 Dieter Spreen

Understanding and extracting of information from large documents, such as business opportunities, academic articles, medical documents and technical reports, poses challenges not present in short documents. Such large documents may be…

Computation and Language · Computer Science 2019-10-10 Muhammad Mahbubur Rahman , Tim Finin

Dynamic topic modeling is widely used to analyze evolving trends in scientific literature, medical records, and social media. Traditional topic models represent each topic through a single probability vector on the multinomial simplex and…

Machine Learning · Computer Science 2026-05-28 Hanjia Gao , Hanwen Ye , Qing Nie , Annie Qu

Dynamic complexity is concerned with updating the output of a problem when the input is slightly changed. We study the dynamic complexity of model checking a fixed monadic second-order formula over evolving subgraphs of a fixed maximal…

Computational Complexity · Computer Science 2017-02-20 Patricia Bouyer-Decitre , Vincent Jugé , Nicolas Markey

In the setting of DynFO, dynamic programs update the stored result of a query whenever the underlying data changes. This update is expressed in terms of first-order logic. We introduce a strategy for constructing dynamic programs that…

Logic in Computer Science · Computer Science 2023-06-22 Samir Datta , Anish Mukherjee , Thomas Schwentick , Nils Vortmeier , Thomas Zeume

We investigate the complexity of evaluating queries in Relational Algebra (RA) over the relations extracted by regex formulas (i.e., regular expressions with capture variables) over text documents. Such queries, also known as the regular…

Databases · Computer Science 2019-02-07 Liat Peterfreund , Dominik D. Freydenberger , Benny Kimelfeld , Markus Kröll

Previous contrastive deep clustering methods mostly focus on instance-level information while overlooking the member relationship within groups/clusters, which may significantly undermine their representation learning and clustering…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Haixin Zhang , Dong Huang

Speculative decoding is commonly used for reducing the inference latency of large language models. Its effectiveness depends highly on the speculation lookahead (SL)-the number of tokens generated by the draft model at each iteration. In…

Computation and Language · Computer Science 2024-11-08 Jonathan Mamou , Oren Pereg , Daniel Korat , Moshe Berchansky , Nadav Timor , Moshe Wasserblat , Roy Schwartz

The analysis of events in dynamic environments poses a fundamental challenge in the development of intelligent agents and robots capable of interacting with humans. Current approaches predominantly utilize visual models. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Sergey Linok , Vadim Semenov , Anastasia Trunova , Oleg Bulichev , Dmitry Yudin

We introduce a general framework for several information extraction tasks that share span representations using dynamically constructed span graphs. The graphs are constructed by selecting the most confident entity spans and linking these…

Computation and Language · Computer Science 2019-04-09 Yi Luan , Dave Wadden , Luheng He , Amy Shah , Mari Ostendorf , Hannaneh Hajishirzi

We present a new approach to formal language theory using Kolmogorov complexity. The main results presented here are an alternative for pumping lemma(s), a new characterization for regular languages, and a new method to separate…

Computational Complexity · Computer Science 2007-05-23 Ming Li , Paul Vitanyi

Recent advances in reading comprehension have resulted in models that surpass human performance when the answer is contained in a single, continuous passage of text. However, complex Question Answering (QA) typically requires multi-hop…

Artificial Intelligence · Computer Science 2019-10-02 Mokanarangan Thayaparan , Marco Valentino , Viktor Schlegel , Andre Freitas

The attention-based encoder-decoder framework has recently achieved impressive results for scene text recognition, and many variants have emerged with improvements in recognition quality. However, it performs poorly on contextless texts…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Xiaoyu Yue , Zhanghui Kuang , Chenhao Lin , Hongbin Sun , Wayne Zhang