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2,609 results for “web”
Dades d'immobles en lloguer a la ciutat de Barcelona al web Fotocasa.es al desembre del 2020
<p><strong>El dataset generat recull dades dels pisos que es lloguen a la ciutat de Barcelona a una data determinada, extretes de la web de <a href="https://www.fotocasa.es/">fotocasa.es</a>. A hores d’ara, webs com Fotocasa ofereixen <a href="https://www.fotocasa.es/indice/#/filter/eyJpZCI6ODAxOSwidHlwZSI6MywidHJhbnNhY3Rpb24iOiJyZW50In0=">visualització de dades obertes</a>, però es centren bàsicament en mostrar els preus mitjans dels lloguers de cada comunitat, província, districte o barri de l’Estat Espanyol. </strong></p> <p> </p> <p><strong>Per tal d’accedir a un conjunt de dades més ric, on podem trobar diverses característiques de cada lloguer més enllà del preu i localització, hem portat a terme un procés de scraping a la web de Fotocasa. Posteriorment, hem inclòs les dades de preus mitjans de lloguers per barris oferts per l’Agència de l’Habitatge de la Generalitat de Catalunya a cada ítem del dataset. Això ens permetrà contrastar els preus dels lloguers a Fotocasa amb una altra font d’informació de preus, en aquest cas provinent de l’administració pública.</strong></p>
Data from: Host manipulation by an ichneumonid spider ectoparasitoid that takes advantage of preprogrammed web-building behaviour for its cocoon protection
Host manipulation by parasites and parasitoids is a fascinating phenomenon within evolutionary ecology, representing an example of extended phenotypes. To elucidate the mechanism of host manipulation, revealing the origin and function of the invoked actions is essential. Our study focused on the ichneumonid spider ectoparasitoid Reclinervellus nielseni, which turns its host spider (Cyclosa argenteoalba) into a drugged navvy, to modify the web structure into a more persistent cocoon web so that the wasp can pupate safely on this web after the spider's death. We focused on whether the cocoon web originated from the resting web that an unparasitized spider builds before moulting, by comparing web structures, building behaviour and silk spectral/tensile properties. We found that both resting and cocoon webs have reduced numbers of radii decorated by numerous fibrous threads and specific decorating behaviour was identical, suggesting that the cocoon web in this system has roots in the innate resting web and ecdysteroid-related components may be responsible for the manipulation. We also show that these decorations reflect UV light, possibly to prevent damage by flying web-destroyers such as birds or large insects. Furthermore, the tensile test revealed that the spider is induced to repeat certain behavioural steps in addition to resting web construction so that many more threads are laid down for web reinforcement.
Supporting dataset for: Reviewing repository discoverability: approaches to improving repository visibility and web impact
<p>This dataset supports the conference poster, "<a href="http://strathprints.strath.ac.uk/61333/">Reviewing repository discoverability: approaches to improving repository visibility and web impact</a>", presented at the Repository Fringe 2017 conference at the University of Edinburgh.</p> <p>The dataset comprises a single OpenDocument Spreadsheet (.ods) format file containing six data sheets of data pertaining to COUNTER compliant usage statistics, search query traffic from Google Search Console, web traffic data for Google Analytics and usage statistics from IRStats2. All data relate to the EPrints repository, <a href="http://strathprints.strath.ac.uk/">Strathprints</a>, based at the University of Strathclyde.</p> <p></p>
Dataset for: Integrated trophic position as a proxy for food-web complexity
<div> <p>There are two distinct approaches to describing the distributions of biomass and species in food webs: one to consider them as discrete trophic levels (TLs); and the other to consider them as continuous trophic positions (TPs). Bridging the gap between these two perspectives presents a non-trivial challenge in integrating biodiversity and food-web structure.</p> <p>Food Network Unfolding (FNU) is a technique used to bridge this gap by partitioning the biomass of species into integer TLs to compute three complexity indices, namely vertical (<em>D</em><sub>V</sub>), horizontal (<em>D</em><sub>H</sub>), and range (<em>D</em><sub>R</sub>) diversity (<em>D</em> indices), through decomposition of Shannon's index <em>H'</em>. Using FNU, the food web (a network of species with unique TPs) is converted to a linear food chain (a biomass distribution at discrete TLs). This enables us to expect that the unfolded biomass within species decreases exponentially as the TL increases. Under this condition, the mean TL value in unfolded food chains is hypothesized to have an exponential relationship with the vertical diversity, <em>D</em><sub>V</sub>. To explore this, we implemented FNU and calculated <em>D</em> indices for food webs publicly available at EcoBase (<em>n</em> = 158) and calculated the integrated TP (iTP), defined as the biomass-weighted average TP of a given food web. The iTP corresponds to the mean TL in unfolded food chains and can be empirically measured through compound-specific isotope analysis of amino acids (CSIA-AA).</p> <p>Although our analysis is biased towards marine ecosystems, we revealed an exponential relationship between iTP and <em>D</em><sub>V</sub>, suggesting that iTP can serve as a measurable proxy for <em>D</em><sub>V</sub>. Furthermore, we found a positive correlation between the iTP observed in the total communities (total iTP) and the iTPs of partial communities consisting only of species with 2.0 ≤ TP < 3.0 (partial iTP; <em>r<sup>2</sup></em> = 0.48), suggesting that <em>D</em><sub>V</sub> can be predicted using partial iTP.</p> <p>Our findings suggest that the net effect of species diversity, excluding the effect of biomass (corresponding to <em>H'</em> − <em>D</em><sub>V</sub>), on food-web complexity can be revealed by combining CSIA-AA with biodiversity analysis (e.g., environmental DNA).</p> </div>
Stable motifs delay species loss in simulated food webs
<p>Some three-species motifs (unique patterns of interactions between three species) are both more stable when modelled in isolation and over-represented in empirical food webs. This suggests that these motifs may reduce extinction risk for species participating in them, ultimately stabilizing the food web as a whole. We test whether a species' time to extinction following a perturbation is related to its participation in stable and unstable motifs and assess how motif roles covary with a species' degree or trophic level. We found that species' motif roles are related to their times to extinction following a disturbance. Specifically, having a larger proportion of the motif role made up by the omnivory motif was associated with longer times to extinction, even though the omnivory motif is less stable than the others in when modelled in isolation. While motif roles were associated with extinction risk, they also varied strongly with degree and trophic level. This means that these simpler measures of a species' role may be sufficient to roughly predict which species are most vulnerable to disturbance (though motif roles can be used to refine these predictions), but that studies of species' motif participation can also reasonably comment on vulnerability to extinction. Previous research showed that certain motifs appear more frequently in stable webs; we show that this is at least in part because participating in these motifs provides protection from extinction.</p>
Data from: Parasite-mediated changes in host traits alter food web dynamics
<p><span>Parasites commonly alter the phenotype of their host, thereby influencing competitive and consumer-resource interactions. This could trigger a cascade effect on the dynamics of biological communities, but the role of parasites in ecosystem processes is poorly understood. In this study, we investigate how parasite-induced trait modifications shape the dynamics of a complex lake food web using an allometric trophic network model (ATN). We simulated infections of stage-structured fish host populations via increased maintenance costs and predation risk. Our results show that host trait modifications can significantly impact host demography, with stage-specific biomass declines up to 60%. However, less severely affected host stages buffered these effects and sustained the population. Importantly, host biomass decline altered the dynamics of species interactions and these effects cascaded through the entire community, with biomass changes observed at all trophic levels. Our findings emphasize the importance of incorporating both indirect parasite effects and host life history in ecological network studies for more realistic simulations of community dynamics.</span></p>
Predators of Japanese myriapods — survey using literature, social media, Web, and mobile application —
<p>I provide a database reviewing information on predators of Japanese myriapods. The information within this database was compiled from published accounts in Japan along with visual media accumulated on the Internet.</p>
Supplementary Data for "Streamlining Vocabulary Conversion to SKOS: A YAML-based Approach to Facilitate Participation in the Semantic Web"
<p>This dataset contains quality assessment results for 26 vocabularies. The assessment was conducted using the <a href="https://skos-play.sparna.fr/skos-testing-tool/">qSKOS vocabulary quality assessment tool</a>.</p> <p>The 26 assessed vocabularies were converted from their original formats into the Simple Knowledge Organization System (SKOS) data model using the approach described in our paper titled <a href="https://doi.org/10.1007/978-3-031-62362-2_9">"Streamlining Vocabulary Conversion to SKOS: A YAML-based Approach to Facilitate Participation in the Semantic Web"</a>, presented at the <a href="https://doi.org/10.1007/978-3-031-62362-2">24th International Conference on Web Engineering (ICWE 2024)</a>.</p> <p>The dataset contains a quality assessment for the following vocabularies:</p> <ol> <li>A Taxonomy of Evaluation Towards Standards</li> <li>Cross-Device Taxonomy</li> <li>What Makes a Data-driven Business Model? A Consolidated Taxonomy</li> <li>DDI Aggregation Method</li> <li>DDI Mode of Collection</li> <li>Building a New Taxonomy for Data Discretization Techniques</li> <li>Demopaedia</li> <li>Data Science Glossary</li> <li>A Taxonomy of Evaluation Approaches in Software Engineering</li> <li>Evaluation Thesaurus</li> <li>The Glossary of Human Computer Interaction</li> <li>Human-Factors Taxonomy</li> <li>A Taxonomy to Structure and Analyze Human–Robot Interaction</li> <li>A Taxonomy of Interaction for Instructional Multimedia</li> <li>A Taxonomy of Interrogation Methods</li> <li>Design Vocabulary for Human–IoT Systems Communication</li> <li>Understanding Movement and Interaction: An Ontology for Kinect-Based 3D Depth Sensors</li> <li>Thesaurus Mass Communication</li> <li>Mixed-Initiative Human-Robot Interaction: Definition, Taxonomy, and Survey</li> <li>A Taxonomy of Quality of Service and Quality of Experience of Multimodal Human-Machine Interaction</li> <li>A Human-Centered Taxonomy of Interaction Modalities and Devices</li> <li>A Taxonomy of Spatial Interaction Patterns and Techniques</li> <li>A Taxonomy of Social Errors in Human-Robot Interaction</li> <li>Taxonomy of Digital Research Activities in the Humanities</li> <li>Virtual Reality and the CAVE: Taxonomy, Interaction Challenges and Research Directions </li> <li>Cross-Device Interaction</li> </ol>
F I G U R E 5 in Untangling the web: dynamics of Australia s online terrestrial invertebrate trade
F I G U R E 5 (a) Total number of invertebrate listings per State on the classifieds website, (b) classes of invertebrate for sale per State. Note: the Y axes are transformed to display less abundant classes.
F I G U R E 8 in Untangling the web: dynamics of Australia s online terrestrial invertebrate trade
F I G U R E 8 Reconstructed examples of classifieds listings with vague descriptions and poor-quality images.
F I G U R E 6 in Untangling the web: dynamics of Australia s online terrestrial invertebrate trade
F I G U R E 6 (a) Total number of invertebrate listings per State on online pet stores. (b) The classes of invertebrate each listing features. Y axis are log10 transformed to display less abundant classes.
F I G U R E 1 in Untangling the web: dynamics of Australia s online terrestrial invertebrate trade
F I G U R E 1 Species accumulation curve for invertebrate listings collected from the public classifieds website, representing the total cumulative number of species identified over time as listings were collected from the website.
F I G U R E 4 The top 10 in Untangling the web: dynamics of Australia s online terrestrial invertebrate trade
F I G U R E 4 The top 10 most popular invertebrate species in online pet stores, and those that also feature in the top 10 most popular species on the Australian classifieds website. Note that Urodacus elongatus (Flinders Ranges scorpion) has the same relative abundance in online pet stores as Exatosoma tiaratum (giant prickly stick insect), the overall most traded species online.
F I G U R E 7 in Untangling the web: dynamics of Australia s online terrestrial invertebrate trade
F I G U R E 7 (a) Histogram of mean species price-per-unit differences (AUD) between classifieds and online pet stores (classifieds price minus pet store price, i.e., negative price difference indicates that classifieds species are less expensive). Median value of 7.442 is represented by the red line. (b) Examples of species with large price differences on the two e-commerce platforms. Photo credits: (a) Rosie Steinberg, (b) Ajay Narendra, (c) Stephan Höhne.
F I G U R E 3 in Untangling the web: dynamics of Australia s online terrestrial invertebrate trade
F I G U R E 3 Bar graph of the top 10 most popular invertebrate species on the classifieds website by proportion of total listings, and those that also feature in the top 10 most popular species in online pet stores.
F I G U R E 2 in Untangling the web: dynamics of Australia s online terrestrial invertebrate trade
F I G U R E 2 (a) Total number of invertebrate orders traded on the classifieds website. (b) Total number of species within each invertebrate order traded on the classifieds website.
FIGURE 12 in Taphonomy of an Eocene micromammal assemblage in a lake-margin depositional setting elucidates an ancient food web
FIGURE 12. Scanning electron micrographs of associated near complete lower right dentition (M67678) of the omomyid Microchoerus erinaceus from bed TB33, How Ledge Limestone, SW Headon Hill, showing crowns with group 4 etching and post-voiding scavenging bite and gnaw marks. A, H, J, P4; B, G, P3; C, F, canine; D, E, I, I1; K, M3; L, M2. Views are: buccal (A-D), mesial (E, I), lingual (F-H), and occlusal (J-L). C shows gnaw marks on the ventral edge of the root of the canine; I shows an enlarged ventral portion of the root of I1 (E shows the whole tooth), with a bite mark on the side and parallel gnaw marks on the medioventral edge. The horizontal crease on the buccal enamel wall of P3 (B) is a developmental pathology. Scale bar equals 0.5 mm for I, 1 mm for the rest.
FIGURE 10 in Taphonomy of an Eocene micromammal assemblage in a lake-margin depositional setting elucidates an ancient food web
FIGURE 10. Dimensions of the long (L) and short (W) axes in millimetres of the seven oval puncture marks on fossil theridomyid bones from bed TB33, How Ledge Limestone, compared with the means with one standard deviation of those on fossil theridomyid bones from bed O3, Osborne Member (from Vasileiadou et al., 2009), of those made by jackals (Canis aureus) on modern ungulate bones (from Dominguez-Rodrigo and Piqueras, 2003) and of those made by leopards (Panthera pardus) on fossil bones of mammals of 4.5-104 kg weight (from Pickering et al., 2004). 1, M67679; 2, M62154.
FIGURE 9 in Taphonomy of an Eocene micromammal assemblage in a lake-margin depositional setting elucidates an ancient food web
FIGURE 9. Scanning electron micrographs of teeth of the carnivoran Paramiacis sp. and puncture marks on theridomyid bones from bed TB33, How Ledge Limestone, SW Headon Hill. A, two puncture marks on distal right tibia (M67679) of Thalerimys fordi; B, enlarged detail of A, the large puncture mark (a) and small puncture mark (b) labelled; C, puncture mark on?Thalerimys distal metapodial (M62154); D, right M1 (carnassial) (M67697) of Paramiacis sp., in occlusal view; E, left P3 (M67697) of Paramiacis sp.; F, puncture mark on?Thalerimys proximal metapodial (M62171); G, enlarged detail of F; H, puncture mark on?Thalerimys phalanx 2 (M62253); I, enlarged detail of H. Scale bars equal 1 mm for A-F, H and 0.2 mm for G and I.
FIGURE 7 in Taphonomy of an Eocene micromammal assemblage in a lake-margin depositional setting elucidates an ancient food web
FIGURE 7. Scanning electron micrographs of teeth and bones of Nyctitheriidae and teeth of Omomyidae, Apatemyidae and Amphilemuridae from bed TB33, How Ledge Limestone, SW Headon Hill, showing damage. A, right dentary with M2 (M67692) of Cheilonyctia lawsoni, showing etching group 5 and rounded breakage anteriorly, sharp breakage posteriorly; B, right I2 (M67693) of C. lawsoni, showing dentine exposure of etching group 5; C, distal left humerus (M67694) of Nyctitheriidae, showing sharp spiral irregular breakage; D, right M1/2 (M62126) of Vectipithex smithorum, showing almost total loss of enamel, of etching group 5; E, right M1 (M67695) of Heterohyus nanus, showing etching group 4; F, left P2 (M61711) of Gesneropithex latidens, showing etching group 2; G, enlarged detail of F. Arrows highlight areas of maximum etching on A-B, E and the only remaining enamel on D. Scale bars equal 1 mm for A and C, 0.5 mm for D-F, 0.25 mm for G and 0.2 mm for B.
ScienceDex guides
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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.