Publications related to Enterprise information integration

An Integrated Approach to Learning Analytics

Denis Gillet, Juan Carlos Farah, Sandy Ingram

Despite the rise in services generating learning analytics, there is a lack of standard models and guidelines for data integration and aggregation to inform the design choices of applications supporting learning analytics. We propose a bottom-up, user-driv ...

2021

Systems Engineering Approach to Identify Requirements for Digital Twins Development

Dimitrios Kyritsis, Jinzhi Lu, Xiaochen Zheng, Ali Gharaei

Digital Twins (DT) are proposed in industries to support the entire lifecycle of services with different perspectives. Lack of systematic analysis of DT concepts leads to various definitions and services which challenges the DT developers for data integrat ...

SPRINGER INTERNATIONAL PUBLISHING AG2020

Multi-Modal Recurrent Attention Networks for Facial Expression Recognition

Seungryong Kim, Jiyoung Lee

Recent deep neural networks based methods have achieved state-of-the-art performance on various facial expression recognition tasks. Despite such progress, previous researches for facial expression recognition have mainly focused on analyzing color recordi ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

Wafer-scale fabrication of ultralow-loss silicon nitride nonlinear photonic circuits

Tobias Kippenberg, Rui Ning Wang, Junqiu Liu, Anat Siddharth, Maxim Karpov, Mikhail Churaev, Jijun He, Guanhao Huang, Wenle Weng, Arslan Sajid Raja, Miles Henry Anderson, Anton Lukashchuk, Nils Johan Engelsen, Alexey Tikan

Recent advances in silicon nitride integrated photonics have achieved ultralow optical losses. Transferring this technology to standard commercial foundries, and merging it with silicon photonics via heterogeneous integration, will seed novel laser and qua ...

IEEE2020

Handling probabilistic integrity constraints in pay-as-you-go reconciliation of data models

Karl Aberer, Quoc Viet Hung Nguyen, Thành Tâm Nguyên, Zoltán Miklós

Data models capture the structure and characteristic properties of data entities, e.g., in terms of a database schema or an ontology. They are the backbone of diverse applications, reaching from information integration, through peer-to-peer systems and ele ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Consolidation of database check constraints

Nikola Obrenovic

Independent modeling of various modules of an information system (IS), and consequently database subschemas, may result in formal or semantic conflicts between the modules being modeled. Such conflicts may cause collisions between the integrated database s ...

2019

NanoElectronics roadmap for Europe: From nanodevices and innovative materials to system integration

Mihai Adrian Ionescu, Lucia Baldi Unser, Montserrat Fernandez-Bolanos Badia

The NEREID project ("NanoElectronics Roadmap for Europe: Identification and Dissemination") is dedicated to mapping the future of European Nanoelectronics. NEREID's objective is to develop a medium and long term roadmap for the European nanoelectronics ind ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Macroecology in the age of Big Data - Where to go from here?

Recent years have seen an exponential increase in the amount of data available in all sciences and application domains. Macroecology is part of this "Big Data" trend, with a strong rise in the volume of data that we are using for our research. Here, we sum ...

2020

Mapping affinities: visualizing academic practice through collaboration

Dario Rodighiero

Academic affinities are one of the most fundamental hidden dynamics that drive scientific development. Some affinities are actual, and consequently can be measured through classical academic metrics such as co-authoring. Other affinities are potential, and ...

EPFL2018

Mapping Affinities in Academic Organizations

Frédéric Kaplan, Dario Rodighiero, Boris Beaude

Scholarly affinities are one of the most fundamental hidden dynamics that drive scientific development. Some affinities are actual, and consequently can be measured through classical academic metrics such as co-authoring. Other affinities are potential, an ...

2018

Highly efficient coupling of crystalline microresonators to integrated photonic waveguides

Tobias Kippenberg, Michail Zervas, Junqiu Liu, Miles Henry Anderson, John David Jost

Crystalline optical whispering gallery mode resonators made from alkaline earth fluorides can achieve exceptionally large optical finesse, and are used in a variety of applications, from frequency stabilization and narrow linewidth lasers, to low-noise mic ...

2018

Answer validation for generic crowdsourcing tasks with minimal efforts

Karl Aberer

Crowdsourcing has been established as an essential means to scale human computation in diverse Web applications, reaching from data integration to information retrieval. Yet, crowd workers have wide-ranging levels of expertise. Large worker populations are ...

2017

Data Reconciliation for Reaction Systems Using Extents and Shape Constraints

Dominique Bonvin, Julien Léo Billeter, Sriniketh Srinivasan

Concentrations measured during the course of reactions are typically corrupted by random noise. Data reconciliation techniques improve the accuracy of measurements by using redundancies in the material and energy balances expressed as relationships between ...

Elsevier2017

ReCache: Reactive Caching for Fast Analytics over Heterogeneous Data

Anastasia Ailamaki, Manolis Karpathiotakis, Tahir Azim

As data continues to be generated at exponentially growing rates in heterogeneous formats, fast analytics to extract meaningful information is becoming increasingly important. Systems widely use in-memory caching as one of their primary techniques to speed ...

2017

Heterogeneous integration of lithium niobate and silicon nitride waveguides for wafer-scale photonic integrated circuits on silicon

Tobias Kippenberg, Michail Zervas, Nicolas Volet, Martin Hubert Peter Pfeiffer

An ideal photonic integrated circuit for nonlinear photonic applications requires high optical nonlinearities and low loss. This work demonstrates a heterogeneous platform by bonding lithium niobate (LN) thin films onto a silicon nitride (Si3N4) waveguide ...

Optical Society of America2017

Small, fast, and tough: Shrinking down integrated elastomer transducers

Herbert Shea, Samuel Rosset

We review recent progress in miniaturized dielectric elastomer actuators (DEAs), sensors, and energy harvesters. We focus primarily on configurations where the large strain, high compliance, stretchability, and high level of integration offered by dielectr ...

Amer Inst Physics2016

Modeling Immersive Media Experiences by Sensing Impact on Subjects

Touradj Ebrahimi, Philippe Hanhart, Martin Rerabek, Jong Seok Lee, Eleni Kroupi

As immersive technologies target to provide higher quality of multimedia experiences, it is important to understand the quality of experience (QoE) perceived by users from various multimedia rendering schemes, in order to design and optimize human-centric ...

Springer Verlag2016

Heterogeneous Integration of ReRAM Crossbars in 180nm CMOS BEoL Process

Giovanni De Micheli, Davide Sacchetto, Yusuf Leblebici, Pierre-Emmanuel Julien Marc Gaillardon, Jury Sandrini, Tugba Demirci, Maxime Victor Thammasack

This work reports on a heterogeneous integration of resistive memories into the Back-End-of-the-Line of 180nm standard CMOS foundry chips. A TaOx-based ReRAM technology with materials and processes fully CMOS compatible has been developed and characterized ...

Elsevier2015

Composite charge 8/3 resonances at the LHC

Francesco Riva, Thibaud Vantalon

In composite Higgs models with partial compositeness, the small value of the observed Higgs mass implies the existence of light fermionic resonances, the top partners, whose quantum numbers are determined by the symmetry (and symmetry breaking) structure o ...

Springer Nature2014

Heterogeneous integration of ReRAM crossbars in a CMOS foundry chip

Giovanni De Micheli, Davide Sacchetto, Yusuf Leblebici, Alessandro Cevrero, Pierre-Emmanuel Julien Marc Gaillardon, Jury Sandrini, Tugba Demirci

In this paper, we present a heterogeneous integration of ReRAMs with standard CMOS technology by post-processing the Back-End-of-the-Line (BEOL) of fully finished CMOS chips. ...

2014