cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6073/pasta/a4ecedde751bae751217d79d333cf213
title: Long-term composited Enhanced Normalized Difference Impervious Surface Index (ENDISI) for the greater Phoenix, Arizona, USA, metropolitan area and the surrounding Sonoran desert derived from annual and seasonal Landsat imagery, 1998 to 2023

description: This data package consists of multiple decades of Enhanced Normalized Difference Impervious Surface Index (ENDISI) raster data across the Central Arizona-Phoenix Long-Term Ecological Research (CAP LTER) study area within metropolitan Phoenix, Arizona, USA, temporally aggregated by year and by four meteorological seasons (winter, spring, summer, fall). To serve as a proxy measurement of impervious surface and urbanization across years and seasons, we derived values of ENDISI – following the methods of Chen et al. 2019 – from annual and seasonal composites of 30-m resolution Landsat 5-9 Level-2 Surface Reflectance imagery. Finally, we exported images as individual GeoTIFF raster files, each with five bands corresponding values summarized annually (band 1) and seasonally (bands 2-5). All imagery retrieval and data processing were completed with Google Earth Engine (Gorelick et al. 2017) and program R. A complete description of data processing methods, including the aggregation of imagery by year and season and the calculation of the spectral index, can be found in the data package metadata (see 'Methods and Protocols') and accompanying Javascript code.

### citations

- Gorelick N, Hancher M, Dixon M, et al. (2017) Google Earth Engine: Planetary-scale geospatial analysis for everyone. Remote Sensing of Environment 202:18–27. https://doi.org/10.1016/j.rse.2017.06.031
DOI: 10.22003/xfel.eu-data-008816-00
title: AKB testing
DOI: 10.6073/pasta/6948f5a5c0b10ad44e107ca4a3b30a2f
title: Dissolved Organic Carbon Concentration, Dissolved Organic Matter Optical Properties, and Water Quality Indicators in the Plum Island Estuary (PIE), Massachusetts, USA (2018-2023)

description: This is a data set of paired in situ measurements of water quality parameters, total suspended solids concentration, and concentration and optical properties (absorption coefficient spectra and fluorescence indices) of dissolved organic matter (DOM) collected between 2018 and 2023 in the Plum Island Estuary and nearshore waters. In situ water quality measurements (salinity, temperature, optical dissolved oxygen saturation, turbidity, and dissolved organic matter fluorescence) were collected with a water quality sonde from the surface (top 1 m of water column), along with corresponding samples that were processed and analyzed in the lab for dissolved organic carbon (DOC) concentration, chromophoric DOM (CDOM), absorption coefficient spectra, DOM excitation-emission matrix (EEM) fluorescence, and total suspended sediment (TSS) concentration. The data were used in multiple studies (see manuscripts listed below) focusing on the dynamics of DOC and CDOM in the Plum Island Estuary.
DOI: 10.17043/guasconi-2025-soil-properties-1
title: Soil physical, chemical and biological properties in two Swedish grasslands between 2019 and 2022
DOI: 10.15468/dl.rxwwm4
title: Occurrence Download

description: A dataset containing 5121 species occurrences available in GBIF matching the query:
{
 "and" : [
 "OccurrenceStatus is Present",
 "TaxonKey is Coeligena phalerata (Bangs, 1898)"
 ]
}

 The dataset includes 5121 records from 27 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022908-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.6p3n9q
title: Occurrence Download

description: A dataset containing 48787 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Lupinus polyphyllus Lindl.",
 "Country is Sweden",
 "HasCoordinate is true",
 "Year is greater than or equal to 2004",
 "Year is less than or equal to 2024"
 ]
}

 The dataset includes 48787 records from 12 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022907-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.6zdhcg
title: Occurrence Download

description: A dataset containing 395 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((12.48791 -6.63312,56.33469 -6.63312,56.33469 10.89808,12.48791 10.89808,12.48791 -6.63312))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Pelomedusa Wagler, 1830",
 "Year 1828-2025"
 ]
}

 The dataset includes 395 records from 13 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022910-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.wc7dc4
title: Occurrence Download

description: A dataset containing 398 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Colombia",
 "TaxonKey is Polychrus marmoratus (Linnaeus, 1758)"
 ]
}

 The dataset includes 398 records from 58 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022911-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5281/zenodo.14846225
title: UC-233 Bus Network with 5080 Electric Vehicles - Scenario 2050

description: UC-233 bus with 5080 EVs.

Network and branch data for 233 bus network.

 

Citations:



Soares, Joao. Energy resource management in smart grids with intensive use of electric vehicles: heuristic and deterministic approaches. Diss. Universidade de Tras-os-Montes e Alto Douro (Portugal), 2017.

Soares, João, et al. "VPP energy resources management considering emissions: The case of Northern Portugal 2020 to 2050." 2015 IEEE Symposium Series on Computational Intelligence. IEEE, 2015.

Soares, João, et al. "Enhanced multi-objective energy optimization by a signaling method." Energies 9.10 (2016): 807.
DOI: 10.5281/zenodo.14846226
title: UC-233 Bus Network with 5080 Electric Vehicles - Scenario 2050

description: UC-233 bus with 5080 EVs.

Network and branch data for 233 bus network.

 

Citations:



Soares, Joao. Energy resource management in smart grids with intensive use of electric vehicles: heuristic and deterministic approaches. Diss. Universidade de Tras-os-Montes e Alto Douro (Portugal), 2017.

Soares, João, et al. "VPP energy resources management considering emissions: The case of Northern Portugal 2020 to 2050." 2015 IEEE Symposium Series on Computational Intelligence. IEEE, 2015.

Soares, João, et al. "Enhanced multi-objective energy optimization by a signaling method." Energies 9.10 (2016): 807.
DOI: 10.5066/p13v7gvy
title: USGS National Hydrography Dataset Plus High Resolution National Release 2

description: The National Hydrography Dataset Plus High Resolution (NHDPlus HR) National Release 2 (NR2) is an update to National Release 1 (NR1), which was published in 2022. NR2 contains updated data for hydrographic regions 01, 02, 06, 14, 15, and 16, and newly produced data for seven 8-digit Hydrologic Units in Alaska. Data for all other areas is included in NR2 but is unchanged from NR1.

NHDPlus HR is an integrated set of geospatial data layers, including the National Hydrography Dataset (NHD), National Watershed Boundary Dataset (WBD), and 3D Elevation Program Digital Elevation Model (3DEP DEM). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to a data suite that includes the NHD stream network with linear referencing functionality, the WBD hydrologic units, elevation-derived catchment areas for each stream segment, value-added attributes (VAAs), and other features that enhance hydrologic data analysis and routing.

Additional documentation for the NHDPlus HR is available in a User Guide, available here: https://pubs.usgs.gov/of/2019/1096/ofr20191096.pdf
DOI: 10.5281/zenodo.14728627
title: Morph_CNeT-INDIA: a repository on morphometric attributes characterizing channel network topology of Indian catchments

description: Morph_CNeT-India is a repository of morphometric catchment attributes  for 1749 gauging stations maintained by the Central Water Commission (CWC) across 22 River basin Systems of India.
DOI: 10.5281/zenodo.14728628
title: Morph_CNeT-INDIA: a repository on morphometric attributes characterizing channel network topology of Indian catchments

description: Morph_CNeT-India is a repository of morphometric catchment attributes  for 1749 gauging stations maintained by the Central Water Commission (CWC) across 22 River basin Systems of India.
DOI: 10.5281/zenodo.14846033
title: Morph_CNeT-INDIA: a repository on morphometric attributes characterizing channel network topology of Indian catchments

description: Morph_CNeT-India is a repository of morphometric catchment attributes  for 1749 gauging stations maintained by the Central Water Commission (CWC) across 22 River basin Systems of India.
DOI: 10.5281/zenodo.14839667
title: unimpeded: nrunlcdm sn.pantheon

description: cosmological model:nrunlcdm, dataset:sn.pantheon
DOI: 10.5281/zenodo.14839668
title: unimpeded: nrunlcdm sn.pantheon

description: cosmological model:nrunlcdm, dataset:sn.pantheon
DOI: 10.15468/dl.a4p4er
title: Occurrence Download

description: A dataset containing 838 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Mexico",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "PublishingOrg is one of (84cee304-27b4-4ad0-9068-16b666e5b1b5, 4cadac10-3e7b-11d9-8439-b8a03c50a862, 52c8f620-1816-11da-9544-b8a03c50a862, 8edbbde0-055e-11d8-b850-b8a03c50a862, e8eada63-4a33-44aa-b2fd-4f71efb222a0, 493fe050-055d-11d8-b84f-b8a03c50a862, ff90b050-c256-11db-b71b-b8a03c50a862, 66522820-055c-11d8-b84e-b8a03c50a862, b554c320-0560-11d8-b851-b8a03c50a862)",
 "TaxonKey is Tlalocohyla smithii (Boulenger, 1902)",
 "Year 1960-2025"
 ]
}

 The dataset includes 838 records from 22 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022912-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.5q7bps
title: Occurrence Download

description: A dataset containing 1551 species occurrences available in GBIF matching the query:
{
 "and" : [
 "OccurrenceStatus is Present",
 "TaxonKey is Lampsilis cariosa (Say, 1817)"
 ]
}

 The dataset includes 1551 records from 43 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022913-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ykvd8z
title: Occurrence Download

description: A dataset containing 15238 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Festuca rubra L.",
 "Country is Sweden",
 "HasCoordinate is true",
 "Year is greater than or equal to 2004",
 "Year is less than or equal to 2024"
 ]
}

 The dataset includes 15238 records from 15 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022914-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.uz6nwq
title: Occurrence Download

description: A dataset containing 786375 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Aves)",
 "HasCoordinate is one of (true)",
 "Geometry POLYGON((-71.7466870203874 -13.335575452516,-70.8425032116414 -13.335575452516,-70.8425032116414 -12.2264196517971,-71.7466870203874 -12.2264196517971,-71.7466870203874 -13.335575452516))"
 ]
}

 The dataset includes 786375 records from 23 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022906-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5281/zenodo.14839676
title: unimpeded: nrunlcdm planck_2018_CamSpec_nolens

description: cosmological model:nrunlcdm, dataset:planck_2018_CamSpec_nolens
DOI: 10.5281/zenodo.14839677
title: unimpeded: nrunlcdm planck_2018_CamSpec_nolens

description: cosmological model:nrunlcdm, dataset:planck_2018_CamSpec_nolens
DOI: 10.15468/dl.h8bz8e
title: Occurrence Download

description: A dataset listing the 57 species recorded in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-72.69951 5.54626,-72.94548 5.35989,-73.08057 4.9704,-72.88091 4.90466,-72.57533 5.42573,-72.69951 5.54626))",
 "TaxonKey is Anura"
 ]
}

 The dataset's 57 records were derived from 17 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022901-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.juzbxx
title: Occurrence Download

description: A dataset containing 2700 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Mexico",
 "TaxonKey is one of (Calophyllum brasiliense Cambess., Casimiroa edulis LaLlave, Celtis ehrenbergiana (Klotzsch) Liebm., Morus celtidifolia Kunth, Platanus occidentalis L., Populus deltoides W.Bartram ex Marshall, Populus mexicana Wesm., Prosopis reptans Benth., Sambucus nigra var. canadensis (L.) B.L.Turner, Senegalia greggii (A.Gray) Britton & Rose, Urera verrucosa (Liebm.) V.W.Steinm.)"
 ]
}

 The dataset includes 2700 records from 138 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022915-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.472feq
title: Occurrence Download

description: A dataset containing 13566 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Caiman crocodilus (Linnaeus, 1758)"
 ]
}

 The dataset includes 13566 records from 269 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022916-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ym3apu
title: Occurrence Download

description: A dataset listing the 662 species recorded in GBIF matching the query:
{
 "and" : [
 "Country is Spain",
 "GadmGid is ESP.6.1_1",
 "OccurrenceStatus is Present",
 "PublishingOrg is 7b4f2f30-a456-11d9-8049-b8a03c50a862",
 "TaxonKey is Aves"
 ]
}

 The dataset's 662 records were derived from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022909-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.48577/jpl.h1xt0s
title: ELSA: Europa Lander Lidar Sensor Assembly – Field Testing and Performance Analysis

description: ELSA: Europa Lander Lidar Sensor Assembly – Field Testing and Performance Analysis
DOI: 10.22003/xfel.eu-data-900238-00
title: Jungfrau at SPB  commissioning and calibration
DOI: 10.25345/c5sq8qw1r
title: MassIVE MSV000097089 - Proteomic analysis of tumor cell nuclear expulsion reveals significant cell adhesion and RNA binding programs in extracellular chromatin
title: Understanding mechanisms of cancer cell death and the resulting effect on disease progression is crucial in cancer biology and the insight will likely offer better options for therapeutic treatment. Nuclear expulsion occurs in apoptotic cancer cells in a peptidylarginine deiminase 4 (Padi4) dependent manner. The resulting tumor cell nuclear expulsion product (TuNEP) promotes the outgrowth of neighboring cancer cells through chromatin-bound protein complexes. It is not clear what the protein compositions and functionalities are in these TuNEPs. In this study, we performed extensive proteomic profiling and identified key TuNEP protein components from mouse and human breast cancer cells as well as human lung cancer cells (4T1, MDA-MB-231, and PC9). We further compared TuNEP- specific proteins with those from apoptotic bodies or NETs from neutrophils. We found an enrichment of cellular adhesion molecules as well as increased citrullination of proteins associated with RNA binding. We showed that cellular adhesion molecules integrin and basigin (BSG) promote the growth of tumor spheroids. Our work revealed the unique TuNEP protein components distinct from neutrophil-derived NETs and shed light on potential mechanisms by which these cancer cellderived TuNEPs promote tumor progression.
DOI: 10.15468/dl.fvb4kd
title: Occurrence Download

description: A dataset containing 80 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Geometry POLYGON((-105.40313 21.71299,-104.23704 21.10728,-103.55373 20.85231,-102.56447 21.37244,-102.22792 22.56567,-94.69243 19.52475,-94.69243 27.26442,-107.6974 26.70475,-105.40313 21.71299))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Verbesina pantoptera S.F.Blake"
 ]
}

 The dataset includes 80 records from 13 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022918-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ds6u42
title: Occurrence Download

description: A dataset containing 82 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Geometry POLYGON((-105.40313 21.71299,-104.23704 21.10728,-103.55373 20.85231,-102.56447 21.37244,-102.22792 22.56567,-94.69243 19.52475,-94.69243 27.26442,-107.6974 26.70475,-105.40313 21.71299))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Verbesina pantoptera S.F.Blake"
 ]
}

 The dataset includes 82 records from 13 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022919-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.xk5w5q
title: Occurrence Download

description: A dataset containing 82 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Geometry POLYGON((-105.40313 21.71299,-104.23704 21.10728,-103.55373 20.85231,-102.56447 21.37244,-102.22792 22.56567,-94.69243 19.52475,-94.69243 27.26442,-107.6974 26.70475,-105.40313 21.71299))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Verbesina pantoptera S.F.Blake"
 ]
}

 The dataset includes 82 records from 13 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022921-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.jgur2k
title: Occurrence Download

description: A dataset containing 80 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Geometry POLYGON((-105.40313 21.71299,-104.23704 21.10728,-103.55373 20.85231,-102.56447 21.37244,-102.22792 22.56567,-94.69243 19.52475,-94.69243 27.26442,-107.6974 26.70475,-105.40313 21.71299))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Verbesina pantoptera S.F.Blake"
 ]
}

 The dataset includes 80 records from 13 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022922-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.37fqvm
title: Occurrence Download

description: A dataset containing 82 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Geometry POLYGON((-105.40313 21.71299,-104.23704 21.10728,-103.55373 20.85231,-102.56447 21.37244,-102.22792 22.56567,-94.69243 19.52475,-94.69243 27.26442,-107.6974 26.70475,-105.40313 21.71299))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Verbesina pantoptera S.F.Blake"
 ]
}

 The dataset includes 82 records from 13 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022923-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.48577/jpl.bccl2g
title: Europa Clipper - Mission Overview and Early Navigation Experience

description: Europa Clipper - Mission Overview and Early Navigation Experience
DOI: 10.25921/5d4a-6d09
title: EK60 Water Column Sonar Data Collected During GU1304_123
DOI: 10.15468/dl.ufqqcz
title: Occurrence Download

description: A dataset containing 71 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Geometry POLYGON((-105.40313 21.71299,-104.88221 21.86658,-104.23704 21.10728,-103.55373 20.85231,-102.56447 21.37244,-102.22792 22.56567,-94.69243 19.52475,-94.69243 27.26442,-107.6974 26.70475,-105.40313 21.71299))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Verbesina pantoptera S.F.Blake"
 ]
}

 The dataset includes 71 records from 12 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022926-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ucutqy
title: Occurrence Download

description: A dataset containing 382 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Rhizophagus irregularis (Błaszk., Wubet, Renker & Buscot) C.Walker & A.Schüssler",
 "Year 2000-2025"
 ]
}

 The dataset includes 382 records from 10 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022927-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.e2ats6
title: Occurrence Download

description: A dataset containing 2882 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Country is United States of America",
 "DatasetKey is one of (MSB Mammal Collection (Arctos), UMNH Mammals Collection (Arctos), University of North Carolina at Greensboro Mammal Collection (Arctos))",
 "OccurrenceStatus is Present",
 "TaxonKey is Peromyscus maniculatus (Wagner, 1845)",
 "Year 2019-2025"
 ]
}

 The dataset includes 2882 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022928-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.q5ntyr
title: Occurrence Download

description: A dataset containing 4140 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Continent is North America",
 "Country is United States of America",
 "Geometry POLYGON((-90.19 32.23,-79.14 32.23,-79.14 38.75,-90.19 38.75,-90.19 32.23))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Monotropa uniflora L."
 ]
}

 The dataset includes 4140 records from 39 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0022925-250127130748423/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.