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12,662 results for “linking”
Characterization matrix linking ecoinvent3.5 to IMPACT World+
<p>Characterization matrix linking the elementary flows of ecoinvent3.5 to 36 impact categories of IMPACT World+.</p> <p>The dataset includes the characterization matrix itself and another matrix linking UUIDs of the elementary flows to their metadata (i.e., units, compartments, sub-compartments).</p> <p>Version of IW+ used: 10.5281/zenodo.3521034</p>
Semantic Web und Linked Data: Generierung von Interoperabilität in archäologischen Fachdaten am Beispiel römischer Töpferstempel - Datasets
<p><strong>Datasets</strong></p> <p>Gegenstand der Masterarbeit ist die Verwendung aktueller Technologien interoperabler Datenhaltung, insbesondere das Konzept der Linked Open Data (LOD) und der semantischen Modellierung, zur Verdeutlichung ihres Potentials in archäologischen Informationen am Beispiel von Terra Sigillata-Fundorten, -Töpfern und -Keramikfragmenten. Die Arbeit zeigt eine Migration von Daten, sowie die Möglichkeiten und die Problematik der Modellierung der Attribute und Beziehungen mit Hilfe bestehender LOD-Konzepte und kontrollierter Vokabularien, sowie eigene Ansätze zur Lösung. Diese Daten werden mittels REST-Schnittstelle zur Verfügung gestellt. Ein Schwerpunkt wird auf die Verlinkung zu anderen bereits bestehenden Projekten gelegt, wodurch eine Vielzahl weiterer archäologischer und historischer Informationen z.B. über das Pelagios Projekt eingebunden werden. Zudem wird das Potential der Verlinkung und Abfrage von heterogenen Informationen zwischen Töpfern, Fragmenten und Orten deren relativ chronologische Beziehungen über LOD mit einer webbasierten Schnittstelle aufgezeigt.</p> <p>The subject matter of this master thesis is using current technologies in interoperable data management, in particular the illustration of the potential of Linked Open Data (LOD) and semantic modelling in archaeological information, as used on samian ware places and their corresponding potters and ceramic fragments. The thesis demonstrates a migration of data as well as possibilities and problems of modelling attributes and relationships using existing LOD concepts and controlled vocabularies as well as novel self-developed approaches to the solution. These data are provided by a ReST interface. One focus is linking to other existing projects, creating associations to other archaeological and historical information, for example the Pelagios project. Moreover, a web-based interface shows the potential of linking and retrieval of heterogeneous information among pottery, fragments and places and their relative chronological relationships via LOD.</p>
Relating Wikipedia Article Quality to Edit Behavior and Link Structure
<p>This dataset was analyzed and produced during the study described in the paper "Relating Wikipedia Article Quality to Edit Behavior and Link Structure" (under review, doi and link follows - see references). Its creation process and use cases are described in the dedicated paper.</p> <p>For directions and code to process and evaluate this data, please see the corresponding GitHub repository: https://github.com/ruptho/editlinkquality-wikipedia.</p> <p>We provide three files for 4941 Wikipedia articles (in .pkl format):<br> The "article_revisions_labeled.pkl" file provides the final, semantically labeled revisions for each analyzed article per quality category. The "article_revision_features.zip" file contains processed per-article features, divided into folders for the specific quality categories they belong to. In "article_revision_features_raw.zip", we provide the raw features as retrieved via RevScoring API (https://pythonhosted.org/revscoring/).</p>
Data from: Link prediction in real-world multiplex networks via layer reconstruction method
Networks are invaluable tools to study real biological, social and technological complex systems in which connected elements form a purposeful phenomenon. A higher resolution image of these systems shows that the connection types do not confine to one but to a variety of types. Multiplex networks encode this complexity with a set of nodes which are connected in different layers via different types of links. A large body of research on link prediction problem is devoted to finding missing links in single-layer (simplex) networks. In recent years, the problem of link prediction in multiplex networks has gained the attention of researchers from different scientific communities. Although most of these studies suggest that prediction performance can be enhanced by using the information contained in different layers of the network, the exact source of this enhancement remains obscure. Here, it is shown that similarity w.r.t. structural features (eigenvectors) is a major source of enhancements for link prediction task in multiplex networks using the proposed Layer Reconstruction Method and experiments on real-world multiplex networks from different disciplines. Moreover, we characterize how low values of similarity w.r.t. structural features result in cases where improving prediction performance is substantially hard.
Data from: No link between nymph and adult colouration in shield bugs: weak selection by predators
<p><span><span><span><span><span><span><span><span><span><span><span>Many organisms use different anti-predator strategies throughout their life, but little is known about the reasons or implications of such changes. For years it has been suggested that selection by predators should favour uniformity in local warning signals. If this is the case, we would expect high resemblance in colour across life stages in aposematic animals where young and adults share similar morphology and habitat. In this study we used shield bugs (Hemiptera: Pentatomoidea) to test whether colour and colour diversity evolve similarly at different life stages. Since many of these bugs are considered to be aposematic, we also combined multi-species analyses with predation experiments on the cotton harlequin bug to test whether there is evidence of selection for uniformity in colour across life stages. Overall, we show that the diversity of colours used by both life stages is comparable, but adults are more cryptic than nymphs. We also demonstrate that nymphs and adults of the same species do not tend to look alike. Experiments on our model system suggest that predators can generalise among life stages that look different, and exhibit strong neophobia. Altogether, our results show no evidence of selection favouring colour similarity between adults and nymphs in this speciose clade. </span></span></span></span></span></span></span></span></span></span></span></p>
Maladaptive migration behaviour in hybrids links to predator-mediated ecological selection
<p>1. Different migratory species have evolved distinct migratory characteristics that improve fitness in their particular ecological niches. However, when such species hybridize, migratory traits from parental species can combine maladaptively and cause hybrids to fall between parental fitness peaks, with potential consequences for hybrid viability and species integrity. 2. Here, we take advantage of a natural cross-breeding incident to study migratory behaviour in naturally occurring hybrids as well as in their parental species and explore links between migratory traits and predation risk. 3. To achieve this, we used electronic tags and passive telemetry to record detailed individual migration patterns (timing and number of migratory trips) in two common freshwater fish species, roach (Rutilus rutilus), common bream (Abramis brama) as well as their hybrids. Next, we scanned for tags regurgitated by a key avian predator (great cormorant, Phalacrocorax carbo) at nearby roosting sites, allowing us to directly link migratory behaviour to predation risk in the wild. 4. We found that hybrid individuals showed a higher number of short, multi-trip movements between lake and stream habitats as compared to both parental species. The mean date of first lake departure differed between bream and roach by more than 10 days, while hybrids departed in two distinct peaks that overlapped with the parental species' averages. Moreover, the probability of cormorant predation increased with multi-trip movement frequency across species and was higher for hybrids. 5. Our data provide novel insights into hybrid viability, with links to predator-mediated ecological selection. Increased exposure to predators via maladaptive migratory behaviour reduces hybrid survival and can thereby reinforce species integrity.</p>
Ecosystem services enhanced through soundscape management link people and wildlife
<p><span>Burgeoning urbanization, development and human activities have led to reduced opportunities for nature experience in quiet acoustic environments. Increasing noise affects both humans and wildlife alike. </span></p> <p><span>We experimentally altered human-caused sound levels in a paired study using informational signs that encouraged quiet behaviours in week-on, week-off blocks on the trail system of Muir Woods National Monument, California, USA to test if the soundscape influences both wildlife and human experiences. </span></p> <p><span>Using continuous measurements from acoustic recording units (n = 13) spatially distributed within the park, we found signs significantly lowered sound levels by approximately 1.2 decibels (A-weighted), thereby increasing listening area by </span><span>24% and bird availability by approximately </span><span>5.8% for every 1 decibel decrease. </span></p> <p><span>Visitor-intercept surveys (n = 537) revealed that our mitigation increased the number of birds perceived by visitors, rankings of soundscape pleasantness, and importantly, preferences for soundscape management. </span></p> <p><span>By lowering human-caused sound levels we created an acoustic environment equivalent to a ~21% reduction in visitors. The positive feedback cycle we describe may lead to increased conservation support in a time when the extinction of nature experience looms.</span></p>
Supplemental material for: Growth curves for children with X-linked hypophosphatemia"
<p><span><i>Context: </i>We characterized linear growth in infants and children with X-linked hypophosphatemia (XLH).</span></p> <p><span><i>Objective</i>: Provide linear growth curves for children with XLH from birth to early adolescence.</span></p> <p><span><i>Design</i>: Data from four prior studies of XLH were pooled to construct growth curves. UX023-CL002 was an observational, retrospective chart review. Pre-treatment data were collected from three interventional trials: two phase 2 trials (UX023‑CL201, UX023‑CL205) and a phase 3 trial (UX023-CL301). </span></p> <p><span><i>Setting</i>: Medical centers with expertise in treating XLH. </span></p> <p><span><i>Patients</i>: Children with XLH, 1-14 years of age.</span></p> <p><span><i>Intervention</i>: None.</span></p> <p><span><i>Main Outcome Measure</i>: Height-for-age linear growth curves including values for the 5<sup>th</sup>, 10<sup>th</sup>, 25<sup>th</sup>, 50<sup>th</sup>, 75<sup>th</sup>, 90<sup>th</sup>, and 95<sup>th</sup> percentiles for children with XLH compared to population norms. </span></p> <p><i>Results</i>: 228 patients (132 girls, 96 boys) with 2,381 height measurements were included. Nearly all subjects (>99%) reported prior management with supplementation therapy. Compared to the CDC growth curves, boys at age 0.25, 0.50, 0.75, 1.0, and 2.0 years-old had median height percentiles of 46%, 37%, 26%, 18%, and 5%, respectively; for girls the median height percentiles were 52%, 37%, 25%, 18%, and 7%, respectively. Annual growth in children with XLH fell below that of healthy children near 1 year of age and progressively declined during early childhood, with all median height percentiles <8% between 2 and 12 years old.</p> <p><i>Conclusion</i>: Children with XLH show decreased height gain by 1 year of age and remain below population norms thereafter. These data will help evaluate therapeutic interventions on linear growth for pediatric XLH.<a name="IDX"></a></p>
Data from: Incorporating alternative interaction modes, forbidden links and trait-based mechanisms increases the minimum trait dimensionality of ecological networks
<ol> <li>Individual-level traits mediate interaction outcomes and community structure. It is important, therefore, to identify the minimum number of traits that characterise ecological networks, i.e. their 'minimum dimensionality'. Existing methods for estimating minimum dimensionality often lack three features associated with increased trait numbers: alternative interaction modes (e.g. feeding strategies such as active vs. sit-and-wait feeding), trait-mediated 'forbidden links' and a mechanistic description of interactions. Omitting these features can underestimate the trait numbers involved, and therefore, minimum dimensionality. We develop a 'minimum mechanistic dimensionality' measure, accounting for these three features.</li> <li>The only input our method requires is the network of interaction outcomes. We assume how traits are mechanistically involved in alternative interaction modes. These unidentified traits are contrasted using pairwise performance inequalities between interacting species. For example, if a predator feeds upon a prey species via a typical predation mode, in each step of the predation sequence the predator's performance must be greater than the prey's. We construct a system of inequalities from all observed outcomes, which we attempt to solve with mixed integer linear programming. The number of traits required for a feasible system of inequalities provides our minimum dimensionality estimate.</li> <li>We applied our method to 658 published empirical ecological networks including primary consumption, predator–prey, parasitism, pollination, seed dispersal and animal dominance networks, to compare with minimum dimensionality estimates when the three focal features are missing. Minimum dimensionality was typically higher when including alternative interaction modes (54% of empirical networks), 'forbidden interactions' as trait-mediated interaction outcomes (92%), or a mechanistic perspective (81%), compared to estimates missing these features. Additionally, we tested minimum dimensionality estimates on simulated networks with known dimensionality. Our method typically estimated a higher minimum dimensionality, closer to the actual dimensionality, while avoiding the overestimation associated with a previous method.</li> <li>Our method can reduce the risk of omitting traits involved in different interaction modes, in failure outcomes, or mechanistically. More accurate estimates will allow us to parameterise models of theoretical networks with more realistic structure at the interaction outcome level. Thus, we hope our method can improve predictions of community structure and structure-dependent dynamics.</li> </ol>
Data from: Testosterone regulates CYP2J19-linked carotenoid signal expression in male red-backed fairywrens (Malurus melanocephalus)
<p>Carotenoid pigments produce most red, orange, and yellow colours in vertebrates. This coloration can serve as an honest signal of quality that mediates social and mating interactions, but our understanding of the underlying mechanisms that control carotenoid signal production, including how different physiological pathways interact to shape and maintain these signals, remains incomplete. We investigated the role of testosterone in mediating gene expression associated with a red plumage sexual signal in red-backed fairywrens (<i>Malurus melanocephalus</i>). In this species, males within a single population can flexibly produce either red/black nuptial plumage or female-like brown plumage. Combining correlational analyses with a field-based testosterone implant experiment and qPCR, we show that testosterone mediates expression of carotenoid-based plumage in part by regulating expression of CYP2J19, a ketolase gene associated with ketocarotenoid metabolism and pigmentation in birds. This is the first time that hormonal regulation of a specific genetic locus has been linked to carotenoid production in a natural context, revealing how endocrine mechanisms produce sexual signals that shape reproductive success.</p>
Data from: Linking coordinated hydraulic traits to drought and recovery responses in a tropical montane cloud forest
Understanding plant hydraulic functioning and water balance during drought has become key in predicting species survival and recovery. However, the insightful studies that couple physiological and morphological attributes do not exist in many ecosystems, such as the vulnerable Tropical Montane Cloud Forests (TMCF). In this study, we evaluate drought resistance and recovery for saplings for five tree species spanning deciduous to evergreen habits from a Mexican TMCF. Methods Drought treatments withheld water until plants reached species-specific P50 or P88 values (pressures required to induce a 50 or 88 percent loss in hydraulic conductivity), at which point they were rewatered. Drought resistance were considered within the isohydric-anisohydric framework and compared to leaf gas exchange, water status, pressure-volume curves, specific leaf area, and stomatal density. Results TMCF species closed stomata well before significant losses in hydraulic conductivity (isohydric). Yet, despite the coordination of these traits, they did not predict how long it took species to reach critical hydraulic thresholds. Instead, maximum photosynthesis rates explained these times reinforcing the linkage between hydraulic and carbon dynamics. Despite varying hydraulic conductivities, stomatal responses, and times to hydraulic thresholds, all study plants except for two individuals (out of 60) recovered following rewatering. The recovery of photosynthesis and stomatal conductance was explained by the P50 values and isohydry. Conclusions This study raises new questions surrounding drought management strategies, recovery processes, and how lethal thresholds are defined. Further studies need to consider the role of water and carbon balance in allowing for both survival and recovery to drought.
Evidence for two main domestication trajectories in Saccharomyces cerevisiae linked to distinct bread-making processes
<p>Data and code supporting the manuscript "Evidence for two main domestication trajectories in <em>Saccharomyces cerevisiae</em> linked to distinct bread-making processes" by Bigey et al. (2020)</p>
All possible boolean models with link operator mutations from CASCADE 1.0
<p>This dataset has the results of using the <a href="https://github.com/druglogics/abmlog">abmlog</a> package on the cancer signaling CASCADE 1.0 topology (77 nodes, 149 edges). Models are stored in <strong>.bnet</strong> (model structure in boolean equations based on the <a href="https://cran.r-project.org/web/packages/BoolNet/index.html">BoolNet</a> R package) and <strong>.gitsbe</strong> format (boolean model structure + attractors, see <a href="https://druglogics.github.io/druglogics-doc/gitsbe-config.html#export">documentation</a>).</p> <p>For more details and analysis of this dataset, check: <a href="https://druglogics.github.io/bool-param-maps/">https://druglogics.github.io/bool-param-maps/ </a></p>
Supplementary material for "Glucocorticoid levels are linked to lifetime reproductive success and survival of adult barn owls"
<p><strong>Abstract</strong></p> <p>Glucocorticoid hormones, such as corticosterone, are crucial in regulating daily life metabolism and energy expenditure, as well as promoting short-term physiological and behavioural responses to unpredictable environmental challenges. Therefore, glucocorticoids are considered to mediate trade-offs between survival and reproduction. Relatively little is known about how selection has shaped glucocorticoid levels. We used 15 years of capture–recapture and dead recovery data combined with 13 years of corticosterone and breeding success data taken on breeding barn owls (<em>Tyto alba</em>) to investigate such trade-offs. We found that survival was positively correlated with stress-induced corticosterone levels in both sexes, whereas annual and lifetime reproductive success (i.e. the sum of young successfully fledged during the entire reproductive career) was positively correlated with both baseline and stress induced corticosterone levels in females only. Our results suggest that, in the barn owl, the stress-induced corticosterone response is a good proxy for adult survival and lifetime reproductive success. However, selection pressure appears to act differently on corticosterone levels of males and females.</p>
data set related to article Linking Sleep to Externalizing Behavioral Difficulties: A Longitudinal Psychometric Survey in a Cohort of Italian School-Age Children
<pre>This record contains raw data related to article Linking Sleep to Externalizing Behavioral Difficulties: A Longitudinal Psychometric Survey in a Cohort of Italian School-Age Children</pre>
Keys from the Sky: A First Exploration of Physical-Layer Security Using Satellite Links
<p>Datasets containing the UBX files used for the evaluation in <a href="https://arxiv.org/abs/2010.07194">arXiv:2010.07194</a>.</p> <p>The .ubx files stem from a ublox ZED-F9P and can be converted to the RINEX .obs format with the open source software rtklib.<br> These contain the used carrier phase observables in an easily parseable format.</p> <p><br> The binary .ubx files contain additional signal information (lock time, satellite ephemeris, etc.) and can be viewed with u_center.</p>
Interpreting Lee (2019)'s five dimensions through time and linking them to an 'ideal' PhD graduate
<p>Figure 1: Variation of student potential based on Lee (2019)’s five dimensions relative with time</p> <p>Figure 2: Linking Anne Lee’s approach to the ‘ideal’ profile after earning a PhD</p>
Linking Seasonal-to-Interannual Variability of Intermediate Currents in the Southwest Tropical Pacific to Wind Forcing and ENSO
<p>This dataset contains zonal velocity data observed by the mooring at 142E/0,142E,1S,141.4E/1.7S. It is supplementary of the paper "<strong>Linking Seasonal-to-Interannual Variability of Intermediate Currents in the Southwest Tropical Pacific to Wind Forcing and ENSO</strong>" published by the Geophysical Research Letters (https://doi.org/10.1029/2021GL092440). Please let me know if you need any more information.</p>
Data to replicate: Forecasting community reassembly using climate-linked spatio-temporal ecosystem models
Ecosystems are increasingly impacted by human activities, altering linkages among physical and biological components. Spatial community reassembly occurs when these human impacts modify the spatial overlap between system components, and there is need for practical tools to forecast spatial community reassembly at landscape scales using monitoring data. To illustrate a new approach, we extend a generalization of empirical orthogonal function (EOF) analysis, which involves a spatio-temporal ecosystem model that approximates coupled physical, biological, and human dynamics. We then demonstrate its application to five trophic levels for the eastern Bering Sea by fitting to multiple, spatially unbalanced datasets measuring physical characteristics (temperature measurements and climate-linked forecasts), primary producers (spring and fall size-fractionated chlorophyll-a), secondary producers (copepods), juveniles (age-0 walleye pollock), adult consumers (five commercially important fishes), human activities (seasonal fishing effort), and mobile predators (seabirds). We identify the spatial niche for each ecosystem component, as well as dominant modes of variability that are highly correlated with a known bottom-up driver of dynamics. We then measure spatial overlap between interacting variables (using Schoener's-D) and identify that age-0 pollock have decreased spatial overlap with copepods and increased overlap with adult pollock during warm years, and also that adult pollock have increased overlap with arrowtooth flounder and decreased overlap with catcher-processor fishing effort during these warm years. Given the warming conditions that are projected for the coming decade, the model forecasts increased prey and competitor overlap involving adult pollock (between age-0 pollock, adult pollock and arrowtooth flounder) and decreased overlap with the copepod forage base and with the catcher-processor fishery during future warming. We recommend that joint species distribution models be extended to incorporate "ecological teleconnections" (correlations between distant locations arising from known mechanisms) arising from behavioral adaptation by mobile animals as well as passive advection of nutrients and planktonic juvenile stages.
FIGURE 5 in The missing link: Rhyncogonus Sharp in the Gambier Islands (Coleoptera Curculionidae, Entiminae, Rhyncogonini)
FIGURE 5. Rhyncogonus duhameli sp. nov., allotype. A. lateral habitus. B. dorsal habitus. Scale bar = 5.0 mm.
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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)
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DANDI Archive for NWB datasets
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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.