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Autonomous mobile robots (AMR) operating in the real world often need to make critical decisions that directly impact their own safety and the safety of their surroundings. Learning-based approaches for decision making have gained…

Robotics · Computer Science 2023-08-03 Rahul Peddi , Nicola Bezzo

In text-to-image (T2I) generation applications, negative embeddings have proven to be a simple yet effective approach for enhancing generation quality. Typically, these negative embeddings are derived from user-defined negative prompts,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Xiaomin Li , Yixuan Liu , Takashi Isobe , Xu Jia , Qinpeng Cui , Dong Zhou , Dong Li , You He , Huchuan Lu , Zhongdao Wang , Emad Barsoum

In this experiment, a model was devised, trained, and evaluated to automate psychotherapist/client text conversations through the use of state-of-the-art, Seq2Seq Transformer-based Natural Language Generation (NLG) systems. Through training…

Computation and Language · Computer Science 2021-04-22 Houjun Liu

Ensuring resilience in distributed systems has become an acute concern. In today's environment, it is crucial to develop light-weight mechanisms that recover a distributed system from faults quickly and with only a small impact on the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-10 Antonis Psistakis , Burak Ocalan , Fabien Chaix , Ramnatthan Alagappan , Josep Torrellas

Sequence-to-Sequence (seq2seq) modeling has rapidly become an important general-purpose NLP tool that has proven effective for many text-generation and sequence-labeling tasks. Seq2seq builds on deep neural language modeling and inherits…

Computation and Language · Computer Science 2016-11-11 Sam Wiseman , Alexander M. Rush

A compelling approach to complex question answering is to convert the question to a sequence of actions, which can then be executed on the knowledge base to yield the answer, aka the programmer-interpreter approach. Use similar training…

Artificial Intelligence · Computer Science 2020-11-02 Yuncheng Hua , Yuan-Fang Li , Gholamreza Haffari , Guilin Qi , Wei Wu

We describe an application of belief networks to the diagnosis of bottlenecks in computer systems. The technique relies on a high-level functional model of the interaction between application workloads, the Windows NT operating system, and…

Artificial Intelligence · Computer Science 2013-02-21 John S. Breese , Russ Blake

To solve a new task from minimal experience, it is essential to effectively reuse knowledge from previous tasks, a problem known as meta-learning. Compositional solutions, where common elements of computation are flexibly recombined into…

Machine Learning · Computer Science 2025-10-03 Jacob J. W. Bakermans , Pablo Tano , Reidar Riveland , Charles Findling , Alexandre Pouget

Database backups have traditionally been used as the primary mechanism to recover from hardware and user errors. High availability solutions maintain redundant copies of data that can be used to recover from most failures except user or…

Databases · Computer Science 2012-08-22 Tomas Talius , Robin Dhamankar , Andrei Dumitrache , Hanuma Kodavalla

Software security is becoming a high priority for both large companies and start-ups alike due to the increasing potential for harm that vulnerabilities and breaches carry with them. However, attaining robust security assurance while…

Software Engineering · Computer Science 2019-08-06 David N. Palacio , Daniel McCrystal , Kevin Moran , Carlos Bernal-Cárdenas , Denys Poshyvanyk , Chris Shenefiel

Closed-loop architecture is widely utilized in automatic control systems and attain distinguished performance. However, classical compressive sensing systems employ open-loop architecture with separated sampling and reconstruction units.…

Machine Learning · Computer Science 2022-07-21 Honggui Li , Maria Trocan , Dimitri Galayko , Mohamad Sawan

We present a recurrent neural network based system for automatic quality estimation of natural language generation (NLG) outputs, which jointly learns to assign numerical ratings to individual outputs and to provide pairwise rankings of two…

Computation and Language · Computer Science 2019-10-11 Ondřej Dušek , Karin Sevegnani , Ioannis Konstas , Verena Rieser

In this paper, we introduce a computational framework for recovering a high-resolution approximation of an unknown function from its low-resolution indirect measurements as well as high-resolution training observations by merging the…

Statistics Theory · Mathematics 2021-10-15 Milana Gataric

Web-scale search systems typically tackle the scalability challenge with a two-step paradigm: retrieval and ranking. The retrieval step, also known as candidate selection, often involves extracting standardized entities, creating an…

Small language models (SLMs) enable low-cost, private, on-device inference, but they often fail on problems that require specialized domain knowledge or multi-step reasoning. Existing approaches for improving reasoning either rely on scale…

Computation and Language · Computer Science 2026-01-08 Kenan Alkiek , David Jurgens , Vinod Vydiswaran

In robot task planning, large language models (LLMs) have shown significant promise in generating complex and long-horizon action sequences. However, it is observed that LLMs often produce responses that sound plausible but are not…

Robotics · Computer Science 2025-03-11 Jiho Lee , Hayun Lee , Jonghyeon Kim , Kyungjae Lee , Eunwoo Kim

Identifying the failure modes of cloud computing systems is a difficult and time-consuming task, due to the growing complexity of such systems, and the large volume and noisiness of failure data. This paper presents a novel approach for…

Artificial Intelligence · Computer Science 2022-03-09 Domenico Cotroneo , Luigi De Simone , Pietro Liguori , Roberto Natella

Discovering the neural mechanisms underpinning cognition is one of the grand challenges of neuroscience. However, previous approaches for building models of RNN dynamics that explain behaviour required iterative refinement of architectures…

Neurons and Cognition · Quantitative Biology 2026-02-24 Puria Radmard , Paul M. Bays , Máté Lengyel

There have been many discriminative learning methods using convolutional neural networks (CNN) for several image restoration problems, which learn the mapping function from a degraded input to the clean output. In this letter, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2017-06-13 Byeongyong Ahn , Nam Ik Cho

Ultra-fine entity typing plays a crucial role in information extraction by predicting fine-grained semantic types for entity mentions in text. However, this task poses significant challenges due to the massive number of entity types in the…

Computation and Language · Computer Science 2023-11-03 Yanlin Feng , Adithya Pratapa , David R Mortensen