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Displaying datasets 576 - 584 of 584 in total
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CC BY (240)
Gross, Alexander Jones; Murthy, Dhiraj; Varshney, Lav R. (2016): Tweet volumes in American cities. University of Illinois at Urbana-Champaign. https://doi.org/10.13012/B2IDB-9276024_V1
This dataset enumerates the number of geocoded tweets captured in geographic rectangular bounding boxes around the metropolitan statistical areas (MSAs) defined for 49 American cities, during a four-week period in 2012 (between April and June), through the Twitter Streaming API. More information on MSA definitions: https://www.census.gov/population/metro/
human dynamics; social media; urban informatics; pace of life; Twitter; ecological correlation; individual behavior
Spyreas, Greg; Zaya, David N.; Pearse, Ian (2016): Long-term Trends in Midwestern Milkweeds and their Relevance for Monarchs. University of Illinois at Urbana-Champaign. https://doi.org/10.13012/B2IDB-5072223_V1
This is the dataset used in the BioScience publication of the same name. More information about this dataset: Interested parties can request data from the Critical Trends Assessment Program, which was the source for the data on natural areas in this study. More information on the program and data requests can be obtained by visiting the program webpage. Critical Trends Assessment Program, Illinois Natural History Survey. http://wwx.inhs.illinois.edu/research/ctap/ These spatial datasets were used for analyses: Illinois Natural History Survey. 2003. Illinois GAP analysis land cover classification 1999-2000, 1:100 000 Scale, Raster Digital Data, Version 2.0. Champaign, IL, USA. Illinois State Geological Survey. 1995. Illinois Landcover Thematic Map Coverage Map 1991-1995. Champaign, IL, USA. Illinois State Geological Survey. 2001. Illinois Landcover Thematic Map Coverage Map 1999-2000. Champaign, IL, USA. USDA National Agricultural Statistics Service Cropland Data Layer. 1999-2015. Published crop-specific data layer [Online]. Available at https://nassgeodata.gmu.edu/CropScape/. USDA-NASS, Washington, DC. Information on agricultural practices and landcover changes were derived from the following U.S. Department of Agriculture (USDA) resources: USDA Economic Research Service. 2016. Adoption of Genetically Engineered Crops in the U.S. Available at http://www.ers.usda.gov/data-products/. USDA-ERS, Washington, DC. USDA Natural Resources Conservation Service. 2015. Summary Report: 2012 National Resources Inventory. https://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcseprd396218.pdf. USDA-NRCS, Washington, DC, and Center for Survey Statistics and Methodology, Iowa State University, Ames, Iowa.
Milkweed; Monarch Butterfly; CTAP Critical Trends Assessment Program; BioScience
Marshak, Stephen; Domrois, Stefanie; Abert, Curtis; Larson, Timothy (2016): DEM of the Great Unconformity, USA cratonic platform. University of Illinois at Urbana-Champaign. https://doi.org/10.13012/B2IDB-7546972_V1
These show the topography and relief of the Precambrian surface of the Cratonic Platform of the United States.
precambrian; geology; relief; elevation
Clark, Lindsay V.; Dzyubenko, Elena; Dzyubenko, Nikolay; Bagmet, Larisa; Sabitov, Andrey; Chebukin, Pavel; Johnson, Douglas A.; Kjeldsen, Jens Bonderup; Petersen, Karen Koefoed; Jørgensen, Uffe; Yoo, Ji Hye; Heo, Kweon; Yu, Chang Yeon; Zhao, Hua; Jin, Xiaoli; Peng, Junhua; Yamada, Toshihiko; Sacks, Erik J. (2016): Data from: "Ecological characteristics and in situ genetic associations for yield-component traits of wild Miscanthus from eastern Russia". University of Illinois at Urbana-Champaign. https://doi.org/10.13012/B2IDB-4084515_V1
Datasets and R scripts relating to the manuscript "Ecological characteristics and in situ genetic associations for yield-component traits of wild Miscanthus from eastern Russia" published in Annals of Botany, 10.1093/aob/mcw137. Field data, including collection locations, physical and ecological information for each location, and plant phenotypes relating to biomass are included. Genetic data in this repository include single nucleotide polymorphisms (SNPs) derived from restriction site-associated DNA sequencing (RAD-seq), as well as plastid microsatellites. A file is also included listing the DNA sequences of all RAD-seq markers generated to-date by the Sacks lab, including those from this publication.
Miscanthus sacchariflorus; Miscanthus sinensis; Russia; germplasm; RAD-seq; SNP
Wickes, Elizabeth (2016): Version values for DataCite dataset records. University of Illinois at Urbana-Champaign. https://doi.org/10.13012/B2IDB-4803136_V1
This dataset was extracted from a set of metadata files harvested from the DataCite metadata store (https://search.datacite.org/ui) during December 2015. Metadata records for items with a resourceType of dataset were collected. 1,647,949 total records were collected. This dataset contains three files: 1) readme.txt: A readme file. 2) version-results.csv: A CSV file containing three columns: DOI, DOI prefix, and version text contents 3) version-counts.csv: A CSV file containing counts for unique version text content values.
datacite;metadata;version values;repository data
Wickes, Elizabeth (2016): Language values for DataCite dataset records. University of Illinois at Urbana-Champaign. https://doi.org/10.13012/B2IDB-1065549_V1
This dataset was extracted from a set of metadata files harvested from the DataCite metadata store (http://search.datacite.org/ui) during December 2015. Metadata records for items with a resourceType of dataset were collected. 1,647,949 total records were collected. This dataset contains four files: 1) readme.txt: a readme file. 2) language-results.csv: A CSV file containing three columns: DOI, DOI prefix, and language text contents 3) language-counts.csv: A CSV file containing counts for unique language text content values. 4) language-grouped-counts.txt: A text file containing the results of manually grouping these language codes.
datacite;metadata;language codes;repository data
Fegley, Brent D. (2016): Datasets for modeling collaborative formation and collaborative "success". University of Illinois at Urbana-Champaign. https://doi.org/10.13012/J81Z429G
These datasets represent first-time collaborations between first and last authors (with mutually exclusive publication histories) on papers with 2 to 5 authors in years [1988,2009] in PubMed. Each record of each dataset captures aspects of the similarity, nearness, and complementarity between two authors about the paper marking the formation of their collaboration.
Tracy, Daniel G. (2016): Library Publishing Services: Survey Data on User Studies Practices. University of Illinois at Urbana-Champaign. https://doi.org/10.13012/B2IDB-1968634_V1
This data set includes survey responses collected during 2015 from academic libraries with library publishing services. Each institution responded to questions related to its use of user studies or information about readers in order to shape digital publication design, formats, and interfaces. Survey data was supplemented with institutional categories to facilitate comparison across institutional types.
academic libraries; publishing; user experience; user studies
Donovan, Brian; Work, Dan (2016): New York City Taxi Trip Data (2010-2013). University of Illinois at Urbana-Champaign. https://doi.org/10.13012/J8PN93H8
This dataset contains records of four years of taxi operations in New York City and includes 697,622,444 trips. Each trip records the pickup and drop-off dates, times, and coordinates, as well as the metered distance reported by the taximeter. The trip data also includes fields such as the taxi medallion number, fare amount, and tip amount. The dataset was obtained through a Freedom of Information Law request from the New York City Taxi and Limousine Commission. The files in this dataset are optimized for use with the ‘decompress.py’ script included in this dataset. This file has additional documentation and contact information that may be of help if you run into trouble accessing the content of the zip files.
taxi;transportation;New York City;GPS