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Connectionist Temporal Classification (CTC) suffers from the latency problem when applied to streaming models. We argue that in CTC lattice, the alignments that can access more future context are preferred during training, thereby leading…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-22 Zengwei Yao , Wei Kang , Fangjun Kuang , Liyong Guo , Xiaoyu Yang , Yifan Yang , Long Lin , Daniel Povey

Consistency properties of concurrent computations, e.g., sequential consistency, linearizability, or eventual consistency, are essential for devising correct concurrent algorithms. In this paper, we present a logical formalization of such…

Logic in Computer Science · Computer Science 2013-05-13 Klaus v. Gleissenthall , Andrey Rybalchenko

Context: Concurrent objects with asynchronous messaging are an increasingly popular way to structure highly available, high performance, large-scale software systems. To ensure data-consistency and support synchronization between objects…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-11 Tim Soethout , Tijs van der Storm , Jurgen Vinju

We consider control from the perspective of competitive analysis. Unlike much prior work on learning-based control, which focuses on minimizing regret against the best controller selected in hindsight from some specific class, we focus on…

Optimization and Control · Mathematics 2021-08-02 Gautam Goel , Babak Hassibi

Existing disk-based database systems largely fall into two categories -- they either provide very high performance but few guarantees, or expose the transaction abstraction satisfying the full ACID guarantees at the cost of lower…

Databases · Computer Science 2021-10-05 Yun-Sheng Chang , Yu-Fang Chen , Hsiang-Shang Ko

In this paper, we propose an online learning-based predictive control (LPC) approach designed for nonlinear systems that lack explicit system dynamics. Unlike traditional model predictive control (MPC) algorithms that rely on known system…

Optimization and Control · Mathematics 2025-03-17 Yuanqing Zhang , Huanshui Zhang

TCP and its variants have suffered from surprisingly poor performance for decades. We argue the TCP family has little hope to achieve consistent high performance due to a fundamental architectural deficiency: hardwiring packet-level events…

Networking and Internet Architecture · Computer Science 2014-10-14 Mo Dong , Qingxi Li , Doron Zarchy , Brighten Godfrey , Michael Schapira

This paper proposes a way to effectively compare the potential of processes to cause conflict. In discrete event systems theory, two concurrent systems are said to be in conflict if they can get trapped in a situation where they are both…

Formal Languages and Automata Theory · Computer Science 2011-08-02 Simon Ware , Robi Malik

Relaxed concurrent data structures have become increasingly popular, due to their scalability in graph processing and machine learning applications. Despite considerable interest, there exist families of natural, high performing randomized…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-28 Dan Alistarh , Trevor Brown , Justin Kopinsky , Jerry Z. Li , Giorgi Nadiradze

We design TimeBoost: a practical transaction ordering policy for rollup sequencers that takes into account both transaction timestamps and bids; it works by creating a score from timestamps and bids, and orders transactions based on this…

Computer Science and Game Theory · Computer Science 2023-08-17 Akaki Mamageishvili , Mahimna Kelkar , Jan Christoph Schlegel , Edward W. Felten

Recently, Intelligent Transportation Systems are leveraging the power of increased sensory coverage and computing power to deliver data-intensive solutions achieving higher levels of performance than traditional systems. Within Traffic…

Machine Learning · Computer Science 2021-05-03 Alvaro Cabrejas-Egea , Raymond Zhang , Neil Walton

This paper presents yet another concurrency control analysis platform, CCBench. CCBench supports seven protocols (Silo, TicToc, MOCC, Cicada, SI, SI with latch-free SSN, 2PL) and seven versatile optimization methods and enables the…

Databases · Computer Science 2021-08-19 Takayuki Tanabe , Takashi Hoshino , Hideyuki Kawashima , Jun Nemoto , Masahiro Tanaka , Osamu Tatebe

AI agents are increasingly deployed in complex, interactive environments, yet their runtime remains a major bottleneck for training, evaluation, and real-world use. Typical agent behavior unfolds sequentially, with each action requiring an…

Artificial Intelligence · Computer Science 2026-04-24 Naimeng Ye , Arnav Ahuja , Georgios Liargkovas , Yunan Lu , Kostis Kaffes , Tianyi Peng

Conventional operating system scheduling algorithms are largely content-ignorant, making decisions based on factors such as latency or fairness without considering the actual intents or semantics of processes. Consequently, these algorithms…

Machine Learning · Computer Science 2025-06-17 Wenyue Hua , Dujian Ding , Yile Gu , Yujie Ren , Kai Mei , Minghua Ma , William Yang Wang

Artificial intelligence systems are increasingly embedded in high-stakes decision environments, yet many governance approaches focus primarily on policy guidance rather than operational stability mechanisms. As AI deployments scale,…

Computers and Society · Computer Science 2026-04-07 Horatio Morgan

Scaling test-time computation--generating and analyzing multiple or sequential outputs for a single input--has become a promising strategy for improving the reliability and quality of large language models (LLMs), as evidenced by advances…

Computation and Language · Computer Science 2025-06-03 Sungjae Lee , Hoyoung Kim , Jeongyeon Hwang , Eunhyeok Park , Jungseul Ok

Modern web services crucially rely on high-performance distributed databases, where concurrent transactions are isolated from each other using concurrency control protocols. Relaxed isolation levels, which permit more complex concurrent…

Databases · Computer Science 2025-01-24 Shabnam Ghasemirad , Christoph Sprenger , Si Liu , Luca Multazzu , David Basin

Current architectures for main-memory online transaction processing (OLTP) database management systems (DBMS) typically use random scheduling to assign transactions to threads. This approach achieves uniform load across threads but it…

Databases · Computer Science 2024-09-04 Tieying Zhang , Anthony Tomasic , Andrew Pavlo

Tool-augmented LLM systems expose a control regime that learning theory has largely ignored: sequential decision-making with a massive discrete action universe (tools, APIs, documents) in which only a small, unknown subset is relevant for…

Artificial Intelligence · Computer Science 2026-01-14 Angshul Majumdar

Causal consistency is an attractive consistency model for replicated data stores. It is provably the strongest model that tolerates partitions, it avoids the long latencies associated with strong consistency, and, especially when using…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-03-13 Diego Didona , Rachid Guerraoui , Jingjing Wang , Willy Zwaenepoel