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Software-defined networking is finding its way into optical networks. Here, it promises a simplification and unification of network management for optical networks allowing automation of operational tasks despite the highly diverse and…

Networking and Internet Architecture · Computer Science 2018-02-07 Thomas Szyrkowiec , Achim Autenrieth , Wolfgang Kellerer

Representing the control flow of a computer program as a computation graph can bring many benefits in a broad variety of domains where performance is critical. This technique is a core component of most major numerical libraries…

Mathematical Software · Computer Science 2018-12-11 Pierre Vandenhove

The Traffic Assignment Problem is a fundamental, yet computationally expensive, task in transportation modeling, especially for large-scale networks. Traditional methods require iterative simulations to reach equilibrium, making real-time…

Stock and flow diagrams are already an important tool in epidemiology, but category theory lets us go further and treat these diagrams as mathematical entities in their own right. In this chapter we use communicable disease models created…

Logic in Computer Science · Computer Science 2024-12-12 John C. Baez , Xiaoyan Li , Sophie Libkind , Nathaniel D. Osgood , Eric Redekopp

In a data warehousing process, mastering the data preparation phase allows substantial gains in terms of time and performance when performing multidimensional analysis or using data mining algorithms. Furthermore, a data warehouse can…

Databases · Computer Science 2007-05-23 Jérôme Darmont , Omar Boussaïd , Fadila Bentayeb

In this document and the accompanying documents we describe a data model (Simulation Data Model) describing numerical computer simulations of astrophysical systems. The primary goal of this standard is to support discovery of simulations by…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Gerard Lemson , Laurent Bourges , Miguel Cervino , Claudio Gheller , Norman Gray , Franck LePetit , Mireille Louys , Benjamin Ooghe , Rick Wagner , Herve Wozniak

In system development life cycle (SDLC), a system model can be developed using Data Flow Diagram (DFD). DFD is graphical diagrams for specifying, constructing and visualizing the model of a system. DFD is used in defining the requirements…

Software Engineering · Computer Science 2010-11-02 Rosziati Ibrahim , Siow Yen yen

A large amount of data resulting from trajectories of moving objects activities are collected thanks to localization based services and some associated automated processes. Trajectories data can be used either for transactional and analysis…

Databases · Computer Science 2011-02-23 Wided Oueslati , Jalel Akaichi

Periodic control systems used in spacecrafts and automotives are usually period-driven and can be decomposed into different modes with each mode representing a system state observed from outside. Such systems may also involve intensive…

Systems and Control · Computer Science 2012-07-05 Zheng Wang , Geguang Pu , Shenchao Qin , Jianwen Li , Kim G. Larsen , Jan Madsen , Bin Gu , Jifeng He

We address unsupervised optical flow estimation for ego-centric motion. We argue that optical flow can be cast as a geometrical warping between two successive video frames and devise a deep architecture to estimate such transformation in…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Stefano Alletto , Davide Abati , Simone Calderara , Rita Cucchiara , Luca Rigazio

Humans' innate ability to decompose scenes into objects allows for efficient understanding, predicting, and planning. In light of this, Object-Centric Learning (OCL) attempts to endow networks with similar capabilities, learning to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Junhong Zou , Xiangyu Zhu , Zhaoxiang Zhang , Zhen Lei

Dense image correspondence is central to many applications, such as visual odometry, 3D reconstruction, object association, and re-identification. Historically, dense correspondence has been tackled separately for wide-baseline scenarios…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Yuchen Zhang , Nikhil Keetha , Chenwei Lyu , Bhuvan Jhamb , Yutian Chen , Yuheng Qiu , Jay Karhade , Shreyas Jha , Yaoyu Hu , Deva Ramanan , Sebastian Scherer , Wenshan Wang

The plethora of existing data models and specific data modeling techniques is not only confusing but leads to complex, eclectic and inefficient designs of systems for data management and analytics. The main goal of this paper is to describe…

Databases · Computer Science 2016-06-08 Alexandr Savinov

To enhance autonomous driving safety in complex scenarios, various methods have been proposed to simulate LiDAR point cloud data. Nevertheless, these methods often face challenges in producing high-quality, diverse, and controllable…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Tianyi Yan , Junbo Yin , Xianpeng Lang , Ruigang Yang , Cheng-Zhong Xu , Jianbing Shen

Representing images or videos as object-level feature vectors, rather than pixel-level feature maps, facilitates advanced visual tasks. Object-Centric Learning (OCL) primarily achieves this by reconstructing the input under the guidance of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Rongzhen Zhao , Vivienne Wang , Juho Kannala , Joni Pajarinen

We adopt a component model based on object-oriented systems, introducing the concepts of components and their structure. A component consists of a dynamically changing set of connected objects. Only some of these objects are interface…

Software Engineering · Computer Science 2014-09-25 Franz Huber , Andreas Rausch , Bernhard Rumpe

Synthetic datasets play a critical role in pre-training CNN models for optical flow, but they are painstaking to generate and hard to adapt to new applications. To automate the process, we present AutoFlow, a simple and effective method to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Deqing Sun , Daniel Vlasic , Charles Herrmann , Varun Jampani , Michael Krainin , Huiwen Chang , Ramin Zabih , William T. Freeman , Ce Liu

One of the main factors driving object-oriented software development for information systems is the requirement for systems to be tolerant to change. To address this issue in designing systems, this paper proposes a pattern-based,…

Data quality assessment and data cleaning are context-dependent activities. Motivated by this observation, we propose the Ontological Multidimensional Data Model (OMD model), which can be used to model and represent contexts as logic-based…

Databases · Computer Science 2017-08-15 Leopoldo Bertossi , Mostafa Milani

Parallel and distributed application design is a major area of interest in the domain of high performance scientific and industrial computing. Over the years, various approaches have been proposed to aid parallel program developers to…

Software Engineering · Computer Science 2013-11-28 Yasset Perez-Riverol , Roberto Vera Alvarez