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4,404 results for “digits”
The Sloan Digital Sky Survey Reverberation Mapping Project: the XMM-Newton X-ray source catalog and multi-band counterparts
<p>The XMM-RM project was designed to provide X-ray coverage of the Sloan Digital Sky Survey Reverberation Mapping (SDSS-RM) field. 41 XMM-Newton exposures, placed surrounding the Chandra AEGIS field, were taken, covering an area of 6.13 deg2 and reaching a nominal exposure depth of ∼ 15 ks. We present an X-ray catalog of 3553 sources detected in these data, using a PSF-fitting algorithm and a sample selection threshold that produces a ∼ 5% fraction of spurious sources. The Bayesian method “NWAY” was employed to identify counterparts of the X-ray sources from the optical Legacy and the IR unWISE catalogs, using a 2-dimensional unWISE magnitude-color prior created from optical/IR counterparts of Chandra X-ray sources. 932 of the XMM-RM sources are covered by SDSS spectroscopic observations. 89% of them are classified as AGN, and 71% of these AGN are in the SDSS-RM quasar catalog. Among the SDSS-RM quasars, 80% are detectable at the depth of the XMM observations. Forced X-ray photometry is performed at the positions of the undetected SDSS-RM quasars.</p>
Figure 1 in Moth floral visitors of the three rewarding Platanthera orchids revealed by interval photography with a digital camera
Figure 1. Floral visitors of Platanthera species. (A) Mabra charonialis visiting Platanthera ussuriensis; (B) Polychrysia splendida with Platanthera sachalinensis pollinia attached on the proboscis; (C) Paratalanta sp. visiting P. sachalinensis; (D) Lampropteryx sp. with Platanthera florentii pollinia attached on the eyes; (E) Scopariinae sp. visiting P. florentii and (F) Paratalanta sp. visiting P. florentii.
Supplementary Materials for Article "What Library Digitization Leaves Out"
<p>Code and data used in "What Library Digitization Leaves Out" by Allen Riddell and Troy J. Bassett.</p>
Die Rolle von Mensch und Computer in den Digital Humanities
<p>The video shows the closing keynote by Daniel A. Keim from the Universität Konstanz and the closing of the DHd 2016 conference.</p> <p>The programme of the closing is available <a href="http://dhd2016.de/?q=Abschluss">here</a>.</p>
2019 - 2020 Digital Preservation Community Survey
<p>The OPF (Open Preservation Foundation) conducted the 2019/2020 community survey between November 2019 and Februrary 2020 and the results provide a detailed picture of the digital preservation landscape today. </p> <p>This data set contains:</p> <ul> <li>the OPF result report of the survey</li> <li>the raw data</li> <li>the list of questions as supplied in the questionnaire</li> <li>the survey guidance notes as supplied alongside the questionnaire</li> </ul> <p>All results are also available at: https://openpreservation.org/resources/surveys/</p> <p><strong>About the Survey: </strong></p> <p>The OPF 2019 Digital Preservation Community Survey aims to understand the current approach to digital preservation, identify the tools the community relies on and which resources are used to support day-to-day digital preservation work.<br> The results shall help to identify shared priorities and gaps in digital preservation today.<br> The survey is organised into four sections:</p> <ul> <li>Your Organisation</li> <li>Your Digital Preservation Technology</li> <li>Knowledge Sharing and Best Practice</li> <li>OPF membership</li> </ul> <p><strong>About the OPF:</strong></p> <p>The OPF (Open Preservation Foundation) is a global, not-for-profit membership organisation. It leads a collaborative effort to create, maintain and develop the reference set of sustainable, open source digital preservation tools and supporting resources.<br> </p>
2014-2015 Digital Preservation Community Survey
<p>The OPF (Open Preservation Foundation) conducted the 2014/2015 community survey between October 2014 and January 2015 and the results provide a detailed picture of the digital preservation landscape at that time. </p> <p>This data set contains:</p> <ul> <li>the OPF result report of the survey</li> <li>the raw data</li> <li>the survey guidance notes as supplied alongside the questionnaire</li> <li>a poster presenting a glimpse at the results</li> </ul> <p>All results are also available at: https://openpreservation.org/resources/surveys/</p> <p><strong>About the Survey: </strong></p> <p>The digital preservation community survey in December 2014 - January 2015. The goal of the survey was to assess the current state-of-the-art in digital preservation and identify adoption of digital preservation tools and approaches. It followed on from the OPF member survey carried out in October 2014 to build an evidence base about OPF members, and steer the annual plan. Selected information from the members responses have also been included in the results.</p> <p><strong>About the OPF:</strong></p> <p>The OPF (Open Preservation Foundation) is a global, not-for-profit membership organisation. It leads a collaborative effort to create, maintain and develop the reference set of sustainable, open source digital preservation tools and supporting resources.</p>
Digitized flood location dataset during cyclone Amphan from newspaper survey
<p>A dataset of inundation location, digitized and geotagged from newspaper reports during cyclone Amphan over Bengal delta.</p> <p>Description of columns:</p> <p>1. District: Location name at 2nd administrative level</p> <p>2. Upazila: Location name at 3rd administrative level</p> <p>3. Location: Location name</p> <p>4. Lon: Longitude</p> <p>5. Lat: Latitude</p> <p>6. Type: Type of flood - Flood or Inundation</p> <p>7. Mechanism: Type of flood/inundation mechanism. Breach (Embankment breaching), Hightide (Unembanked low-land), Overtopping (Embankment overflow)</p> <p>8. Source: Source newspaper name.</p> <p>9. Date: Corresponding date of the publishing of the news.</p> <p> </p> <p><strong>Acknowledgement:</strong></p> <p>CNES (through the TOSCA project BANDINO) and Embassy of France in Bangladesh for financial support. Also support from French research agency (Agence Nationale de la Recherche; ANR) under the DELTA project (ANR-17-CE03-0001).</p>
Towards big religious data, RESILIENCE Research Infrastructure for Data on Religion in the Digital Age
<p>Data in and for religion is arguably as old as humanity. Religious significance has been attached to an immense variety of artifacts and documents, often in written form, in nearly all spoken and written languages over the past millennia. The rise of the digital age gives to the scholar in religious studies the opportunity to build research over a much wider array of data than ever before; institutions which have data repositories (such as libraries, museums, universities, etc.) similarly have the chance to make their collections available to a larger community. On the other hand, however, there is a serious risk that a considerable amount of data gets lost during the "Digital transition". This paper presents the approach of the RESILIENCE Research Infrastructure in dealing with the issue of big data and data loss within the field of religious studies.</p>
Reference Architecture for Trust-based Digital Ecosystems
<p>Pre-recording of the presentation for the paper "Reference Architecture for Trust-based Digital Ecosystems"</p>
The Collaborative Digital Humanities Spectrum
<p>1<sup>st</sup> Lecture</p>
How digital infrastructures empower humanities researcher(s): The PARTHENOS Training Suite
<p>1<sup>st</sup> Project Presentation</p>
Digital Cores and Fractal Dimensions
<p>This is a supplementary data sets for a manuscript submitted to JGR: Solid Earth entitled "A Fractal Reference Model Based on 3D Process-Based Digital Core for Evaluating the Complexity of Rock Pore Structure". This data sets present the digital core construction and fractal dimension calculation in detail, including process-based modeling program, CT digital core data, fractal dimension calculation program and analysis statistics worksheet.</p>
The digital future of a founding text : the Iliad and the Genavensis Græcus 44
<p>Set de données du projet FNS 172733: "Le devenir numérique d'un texte fondateur : l'<em>Iliade</em> et le <em>Genavensis Græcus 44</em>".</p> <p>Dataset from the FNS 172733 Project: "The digital future of a founding text : the Iliad and the Genavensis Græcus 44".</p> <p> </p> <p> </p>
Digital image correlation (DIC) measurement of contact stiffness
<p>Measurements with digital image correlation of normal and tangential contact stiffness for ground Ti-6Al-4V interfaces suggest a linear relationship between normal contact stiffness and normal load and a linear relationship between tangential contact stiffness and tangential load. The normal contact stiffness for these surfaces is observed approximately to be inversely proportional to an equivalent surface roughness parameter, defined for two surfaces in contact. The ratio of the tangential contact stiffness to the normal contact stiffness at beginning of a load step is seen to be given approximately by the Mindlin ratio. A simple empirical model is proposed to estimate both normal and tangential contact stiffness at different loads for ground Ti-6Al-4V surfaces of known surface roughness and coefficient of friction.</p>
FAIR Digital Object and DiSSCo Research Infrastructure Design
<p>This presentation is about how <a href="https://dissco.eu">DiSSCo</a> (Distributed System of Scientific Collections) is using the FAIR Digital Object as the cornerstone of a research infrastructure design. DiSSCo -- a new Research Infrastructure currently in the preparation phase -- will digitally unify European natural science assets under common curation and access and will ensure that data is Findable, Accessible, Interoperable and Reusable (FAIR). DiSSCo will integrate a fragmented landscape of natural science collections, transforming it into a unified, robust, quality ensured knowledge base of unprecedented scale for bio- and geodiversity.</p> <p>With a brief historical context of FAIR Digital Object, this presentation introduces the concept of Digital Specimen. Then it highlights the incorporation of outputs from several <a href="https://rd-alliance.org/">RDA</a> (Research Data Alliance) interests and working groups in the design decision.</p>
Digital and Computational Palaeography: Some Promises and Problems
<p>Video, abstract and draft transcript of presentation given at the 13th Annual (Virtual) Schoenberg Symposium on Manuscript Studies in the Digital Age.</p> <p>As the Schoenberg Symposium and the Schoenberg Institute for Manuscript Studies have long been demonstrating, access to digital images of manuscripts has grown enormously in recent years, particularly with IIIF and the movement towards increasingly open and rights-free content. At the same time, we also have increasing access to relatively powerful computers, fast internet connections, and now access even to hardware and software for deep learning such as free software libraries, increasingly affordable GPUs and, in some cases, high-performance computing clusters. At the same time, however, librarians are often reporting less time for cataloguing and metadata, and at least in some cases access to original items is becoming increasingly difficult, not to mention the increasing complexity of computational methods and the widely-recognised fact that the ‘reasoning’ of modern machine learning is inaccessible even to specialists. The current health crisis seems to be accelerating these trends, which leaves the question: what of palaeography? Looking at the past and present of digital and computational methods, in this talk I attempt to identify some of the promises and problems of where we are now and where we seem to be going.</p>
Dataset for publication "Measurement of the Absolute Phase Error of Digitizers"
<p>This is the dataset related to the paper:</p> <p>G. Crotti, A. D. Femine, D. Gallo, D. Giordano, C. Landi and M. Luiso, "Measurement of the Absolute Phase Error of Digitizers," in <em>IEEE Transactions on Instrumentation and Measurement</em>, vol. 68, no. 6, pp. 1724-1731, June 2019.<br> doi: 10.1109/TIM.2018.2888919</p> <p>Excel file contains the data for Figures 2 and 3.</p>
Dataset for publication "Uncertainty Evaluation on the Absolute Phase Error of Digitizers"
<p>This is the dataset related to the paper</p> <p>Delle Femine, Antonio, Gallo, Daniele, Landi, Carmine, & Luiso, Mario. (2019). Uncertainty Evaluation on the Absolute Phase Error of Digitizers. Transactions of the Institute of Measurement and Control. http://doi.org/10.5281/zenodo.3600435</p> <p>that is identical to</p> <p>A. Delle Femine, D. Gallo, C. Landi, M. Luiso, “Uncertainty evaluation on the absolute phase error of digitizers”, Transactions of the Institute of Measurement and Control, Volume: 42 issue: 4, page(s): 749-758, 01 February 2020, doi: 10.1177/0142331219879836</p> <p> </p> <p> </p> <p>Excel file contains the data for Figures 6, 7, 8, 9.</p>
Digital Humanities: New Approaches to Research and Teaching of the Medieval Mediterranean (5th to 15th centuries). (Digital Research Session)
<p>This webinar was funded by the Society for the Medieval Mediterranean, thanks to the “Simon Barton Postgraduate & ECR Conference Prize 2020” awarded to Nerea Fernández Cadenas (https://www.societymedievalmediterranean.com/simon-barton-postgraduate-conference-prize)<br> It has been designed to offer a forum in which scholars can debate and share their experiences about the difficulties and advantages of researching and teaching through Digital Humanities when exploring Medieval Mediterranean History.</p> <p>Moderated by Nerea Fernández Cadenas , speakers were:<br> <strong>Dr David Natal Villazala: </strong>Lecturer in History at Royal Holloway. His research has focused on the social history of late antiquity, with special attention to the western, Latin-speaking part of the Roman Empire. Related to this subject is his monograph: Fugiamus ergo forum’. Ascetismo y poder en Ambrosio de Milán with University of León in 2010. His current project analyses how a ‘universal’ late antique Church was constructed despite the end of the Western Roman Empire through GIS software. This project is funded by the ERC-Starting Grant scheme (€1,465,316) and hosted at Royal Holloway, University of London and at the Austrian Centre for Digital Humanities (Vienna).<br> <strong>Dr Antonio Blanco González</strong>: PhD viva 2009, held academic positions at the universities of Durham (UK) as a EU-funded Marie Sklodowska Curie fellow and Valladolid (Spain) as a Juan de la Cierva post-doctoral scholar. He nowadays works as a lecturer with the University of Salamanca (Spain). His interests include social and landscape archaeology and has published widely on these topics in top-ranked international journals.<br> <strong>Dr Evina Steinová:</strong> Postdoctoral researcher at the Huygens ING, an institute of the Dutch Royal Academy of Arts and Sciences (KNAW) in Amsterdam. She is the principal investigator of a three-year VENI project Innovating Knowledge dealing with the early medieval manuscripts of the Etymologiae of Isidore of Seville, the innovations found in these manuscripts, and the intellectual networks that served as channels for the spreading of these innovations. Her PhD research focused on annotation symbols used in Western manuscripts in Late Antiquity and the early Middle Ages. She published a monograph on this subject, Notam supere studui: The Use of Annotation Symbols in the Early Middle Ages, with Brepols in 2019.<br> This webinar was recorded on 29/09/20.</p>
Data from: Digital photography provides a fast, reliable and non-invasive method to estimate anthocyanin pigment concentration in reproductive and vegetative plant tissues
1. Anthocyanin pigments have become a model trait for evolutionary ecology since they often provide adaptive benefits for plants. Anthocyanins have been traditionally quantified biochemically, or more recently using spectral reflectance. However, both methods require destructive sampling and can be labour intensive and challenging with small samples. Recent advances in digital photography and image processing make it the method of choice for measuring colour in the wild. Here, we use digital images as a quick, non-invasive method to estimate relative anthocyanin concentration among plants exhibiting colour variation. 2. By using a consumer-level digital camera and a free image processing toolbox, we extracted RGB values from digital images to generate colour indices. We tested petals, stems, pedicels and calyces of six species, which contain different types of anthocyanin pigments and exhibit different pigmentation patterns. Colour indices were assessed by their correlation to biochemically determined anthocyanin concentration. For comparison, we also calculated colour indices from spectral reflectance and tested the correlation with anthocyanin concentration. 3. Indices perform differently depending on the nature of the colour variation. For both digital images and spectral reflectance, the most accurate estimates of anthocyanin concentration emerge from anthocyanin content-chroma ratio (ACCR), anthocyanin-chroma basic (ACCB) and strength of green (S green) indices. Some colour indices derived from digital images and spectral reflectance strongly correlate with biochemically determined anthocyanin concentration, but the estimates from digital images performed better than spectral reflectance in terms of 2 and normalized root-mean-square error. This was particularly noticeable in a species with striped petals, but in the case of striped calyces both methods showed a comparable relationship with anthocyanin concentration. 4. Using digital images brings new opportunities to accurately quantify the anthocyanin concentration in both floral and vegetative tissues. This method is efficient, completely non-invasive, applicable to both uniform and patterned colour, and works with samples of any size.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.