cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.5281/zenodo.13991982
title: Log del Pezzo surfaces with torus action - a searchable database

description: Click here for a searchable web interface for the ldp-database

The ldp-database stores complex log del Pezzo surfaces admitting a non-trivial action by an algebraic torus. So the entries are either toric surfaces or non-toric with a non-trivial-action. The ldp-database is searchable through various invariants and properties such as Picard number, Gorenstein index, log canonicity, anticanonical self intersection and more.

The ldp-database contains complete classifications of log del Pezzo surfaces admitting a torus action with the following properties:



Picard number 1 and Gorenstein index at most 200 (271.203 entries, see [1]),

1/3-log canonical, (129.904 entries, see [2]),

toric of Picard number 1 and Picard index at most 10.000 (68.053 entries, see [3]),

non-toric of Picard number 1 and Picard index at most 2500 (106.355 entries, see [3]),

full intrinsic quadrics of Picard number at most 2 and Gorenstein index at most 200 (72.081 entries, see [4]),

full intrinsic quadrics of Picard number 3 and Gorenstein index at most 40 (106.591 entries, see [4]),


In total, the ldp-database contains 692.125 families of surfaces. The ldp-database is redundancy free, that means that different entries are non-isomorphic.

The ldp-database can be downloaded in the form of the SQLite file ldp.db. The file schema.txt contains information about the available columns. The database can be queried directly through sqlite or via the software package CStarSurfaces.jl. Additionally, there is a web interface where the database can be queried through a search form.
DOI: 10.5281/zenodo.13991983
title: Log del Pezzo surfaces with torus action - a searchable database

description: Click here for a searchable web interface for the ldp-database

The ldp-database stores complex log del Pezzo surfaces admitting a non-trivial action by an algebraic torus. So the entries are either toric surfaces or non-toric with a non-trivial-action. The ldp-database is searchable through various invariants and properties such as Picard number, Gorenstein index, log canonicity, anticanonical self intersection and more.

The ldp-database contains complete classifications of log del Pezzo surfaces admitting a torus action with the following properties:



Picard number 1 and Gorenstein index at most 200 (271.203 entries, see [1]),

1/3-log canonical, (129.904 entries, see [2]),

toric of Picard number 1 and Picard index at most 10.000 (68.053 entries, see [3]),

non-toric of Picard number 1 and Picard index at most 2500 (106.355 entries, see [3]),

full intrinsic quadrics of Picard number at most 2 and Gorenstein index at most 200 (72.081 entries, see [4]),

full intrinsic quadrics of Picard number 3 and Gorenstein index at most 40 (106.591 entries, see [4]),


In total, the ldp-database contains 692.125 families of surfaces. The ldp-database is redundancy free, that means that different entries are non-isomorphic.

The ldp-database can be downloaded in the form of the SQLite file ldp.db. The file schema.txt contains information about the available columns. The database can be queried directly through sqlite or via the software package CStarSurfaces.jl. Additionally, there is a web interface where the database can be queried through a search form.
DOI: 10.15468/dl.3p4ztm
title: Occurrence Download

description: A dataset containing 862 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Coleofasciculus chthonoplastes (Thur. ex Gomont) Siegesmund, J.R.Johans. & Friedl"
 ]
}

 The dataset includes 862 records from 92 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002441-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.68x2hu
title: Occurrence Download

description: A dataset containing 282358 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Human Observation",
 "Continent is Asia",
 "Country is China",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Issue is one of (Coordinate rounded, Continent derived from coordinates)",
 "IucnRedListCategory is NE",
 "OccurrenceStatus is Present",
 "Year 2020-2024"
 ]
}

 The dataset includes 282358 records from 21 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002431-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.g5akvd
title: Occurrence Download

description: A dataset containing 79 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((13.10691 52.19387,13.86018 52.19387,13.86018 52.78668,13.10691 52.78668,13.10691 52.19387))",
 "OccurrenceStatus is Present",
 "TaxonKey is Lycaena dispar (Haworth, 1803)"
 ]
}

 The dataset includes 79 records from 14 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002442-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.g886wd
title: Occurrence Download

description: A dataset containing 2 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Coleospermum goeppertianum"
 ]
}

 The dataset includes 2 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002444-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.rc3wfs
title: Occurrence Download

description: A dataset containing 8438 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Iris cristata Aiton"
 ]
}

 The dataset includes 8438 records from 144 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002445-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5281/zenodo.13969065
title: RBOD: An annotated satellite imagery dataset for automated river barrier object detection

description: Introduction:

Millions of river barriers have been constructed worldwide for flood control, hydropower generation, and agricultural irrigation. The lack of comprehensive records on the locations and types of river barriers, particularly small barriers such as weirs, limits our ability to assess their societal and environmental impacts. Integrating satellite imagery with object detection algorithms holds promise for the automatic identification of river barriers on a global scale. However, achieving this objective requires high-quality image datasets for algorithm training and testing. Hence, this study presents a large-scale dataset named the River Barrier Object Detection (RBOD), making it the first publicly available dataset specifically for river barrier object detection.

The RBOD dataset comprises 4,872 high-resolution satellite images and 11,741 meticulously annotated oriented bounding boxes (OBBs). In this dataset, river barriers can be classified into five classes: dams, groynes, locks, sluices, and weirs. The effectiveness of the RBOD dataset was validated using five typical object detection algorithms, namely YOLOV8-OBB, Oriented R-CNN, Rotated Faster R-CNN, R3Det, and Rotated RetinaNet, which provide performance benchmarks for future applications.

Usage Notes:

The RBOD dataset consists of three folders (namely, 'images', 'labels_voc', and 'labels_yolo') and a .txt file named 'class':

·'images' folder - contains 4872 satellite images (.jpg).

·'labels_voc' folder - contains 11,741 .xml files for annotations in PASCAL VOC format. In these .xml files, the position of OBB is represented as (cx, cy, width, height, angle), where 'cx' and 'cy' denote the center coordinates, 'width' and 'height' are the lengths along the x- and y-axes, and 'angle' is the clockwise rotation angle relative to the x-axis.

·'labels_yolo' folder - contains 11,741 .txt files for annotations in YOLO format. In these .txt files, the OBB is represented as (class_index, x1, y1, x2, y2, x3, y3, x4, y4), where ‘class_index’ denotes the target category, and ‘x1, y1, x2, y2, x3, y3, x4, y4’ are the normalized coordinates of the four corners of the bounding box.

·'class' txt file - record the classifications of river barriers and their indices, which correspond to the ‘class_index’.

Note that each folder splits into three subfolders: train (70%), test (20%), and val (10%).
DOI: 10.5281/zenodo.13969066
title: RBOD: An annotated satellite imagery dataset for automated river barrier object detection

description: Introduction:

Millions of river barriers have been constructed worldwide for flood control, hydropower generation, and agricultural irrigation. The lack of comprehensive records on the locations and types of river barriers, particularly small barriers such as weirs, limits our ability to assess their societal and environmental impacts. Integrating satellite imagery with object detection algorithms holds promise for the automatic identification of river barriers on a global scale. However, achieving this objective requires high-quality image datasets for algorithm training and testing. Hence, this study presents a large-scale dataset named the River Barrier Object Detection (RBOD), making it the first publicly available dataset specifically for river barrier object detection.

The RBOD dataset comprises 4,872 high-resolution satellite images and 11,741 meticulously annotated oriented bounding boxes (OBBs). In this dataset, river barriers can be classified into five classes: dams, groynes, locks, sluices, and weirs. The effectiveness of the RBOD dataset was validated using five typical object detection algorithms, namely YOLOV8-OBB, Oriented R-CNN, Rotated Faster R-CNN, R3Det, and Rotated RetinaNet, which provide performance benchmarks for future applications.

Usage Notes:

The RBOD dataset consists of three folders (namely, 'images', 'labels_voc', and 'labels_yolo') and a .txt file named 'class':

·'images' folder - contains 4872 satellite images (.jpg).

·'labels_voc' folder - contains 11,741 .xml files for annotations in PASCAL VOC format. In these .xml files, the position of OBB is represented as (cx, cy, width, height, angle), where 'cx' and 'cy' denote the center coordinates, 'width' and 'height' are the lengths along the x- and y-axes, and 'angle' is the clockwise rotation angle relative to the x-axis.

·'labels_yolo' folder - contains 11,741 .txt files for annotations in YOLO format. In these .txt files, the OBB is represented as (class_index, x1, y1, x2, y2, x3, y3, x4, y4), where ‘class_index’ denotes the target category, and ‘x1, y1, x2, y2, x3, y3, x4, y4’ are the normalized coordinates of the four corners of the bounding box.

·'class' txt file - record the classifications of river barriers and their indices, which correspond to the ‘class_index’.

Note that each folder splits into three subfolders: train (70%), test (20%), and val (10%).
DOI: 10.15468/dl.vgy4cj
title: Occurrence Download

description: A dataset containing 10 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Setaria stolonifera Boldrini"
 ]
}

 The dataset includes 10 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002446-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5284/1123000
title: Data from an Archaeological Evaluation at Royal Air Force Waddington, Lincolnshire, November 2022

description: This digital archive comprises images, GIS, report and site record data from an archaeological evaluation on land to the west and east of High Dike Road at RAF Waddington, Lincolnshire. The work was carried out by Wessex Archaeology in November 2022.
DOI: 10.15468/dl.7j7wdp
title: Occurrence Download

description: A dataset containing 3 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Collenella guadalupensis Johnson, 1942"
 ]
}

 The dataset includes 3 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002447-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.scee9h
title: Occurrence Download

description: A dataset containing 1366 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Iris lacustris Nutt."
 ]
}

 The dataset includes 1366 records from 51 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002449-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.czwuz3
title: Occurrence Download

description: A dataset containing 75280626 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Spain",
 "OccurrenceStatus is Present"
 ]
}

 The dataset includes 75280626 records from 2738 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002434-241024112534372/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.wcetzx
title: Occurrence Download

description: A dataset containing 314 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Colombia",
 "HasCoordinate is true",
 "TaxonKey is Thunbergia alata Bojer ex Sims",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 314 records from 25 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003541-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ax7bd1
title: Occurrence Download

description: A dataset containing 23364 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Colombia",
 "HasCoordinate is true",
 "TaxonKey is Molothrus bonariensis (Gmelin, 1789)",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 23364 records from 94 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003543-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.iu36sw
title: Occurrence Download

description: A dataset containing 2226 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "or" : [
 "Country is Peru",
 "Country is Ecuador"
 ]
 },
 "TaxonKey is Geositta peruviana Lafresnaye, 1847"
 ]
}

 The dataset includes 2226 records from 24 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003545-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.csi9zo
title: Occurrence Download

description: A dataset containing 1896 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Colombia",
 "HasCoordinate is true",
 "TaxonKey is Lesbia nuna (R.Lesson, 1832)",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 1896 records from 35 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003546-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.pcdkaf
title: Occurrence Download

description: A dataset containing 1920 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lama guanicoe (Müller, 1776)"
 ]
}

 The dataset includes 1920 records from 39 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003547-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.4lby8l
title: Occurrence Download

description: A dataset containing 20330 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "or" : [
 "Country is Argentina",
 "Country is Chile",
 "Country is Peru",
 "Country is Uruguay",
 "Country is Brazil",
 "Country is Bolivia (Plurinational State of)",
 "Country is Paraguay"
 ]
 },
 "TaxonKey is Phleocryptes melanops (Vieillot, 1817)"
 ]
}

 The dataset includes 20330 records from 53 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003550-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.jqjtjc
title: Occurrence Download

description: A dataset containing 762 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Enallagma praevarum (Hagen, 1861)"
 ]
}

 The dataset includes 762 records from 19 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011859-180730143533302/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.thbqhc
title: Occurrence Download

description: A dataset listing the 1920 species recorded in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lama guanicoe (Müller, 1776)"
 ]
}

 The dataset's 1920 records were derived from 39 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003548-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.z8sa3v
title: Occurrence Download

description: A dataset containing 1920 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lama guanicoe (Müller, 1776)"
 ]
}

 The dataset includes 1920 records from 39 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003551-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.1594/pangaea.135719
title: Phytoplankton abundance at bottle station GOM3/1
DOI: 10.15468/dl.qapybx
title: Occurrence Download

description: A dataset containing 12 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasCoordinate is true",
 "TaxonKey is Dalea scariosa S.Watson",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 12 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003552-190621201848488/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.1594/pangaea.135721
title: Phytoplankton abundance at bottle station GOM5/4
DOI: 10.15468/dl.s5vx4z
title: Occurrence Download

description: A dataset containing 90030 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 {
 "not" : {
 "BasisOfRecord" : [
 "is one of (Fossil, Living Specimen)"
 ]
 }
 },
 "TaxonKey is Sialia mexicana Swainson, 1832",
 "Geometry POLYGON ((-108.5 34.1, -108.5 37.7, -104.11 37.7, -104.11 34.1, -108.5 34.1))"
 ]
}

 The dataset includes 90030 records from 20 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0034970-240626123714530/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5519/qd.75sdw5su
title: Query on the Natural History Museum Data Portal (data.nhm.ac.uk) (16 records)
DOI: 10.1594/pangaea.687752
title: Microplankton abundance at Station MARCH-1997-GN36199704603MNB04 in the euphotic zone of the Aegean Sea in spring 1997. Part 2 - dinoflagellates

description: Microplankton species composition analysis was performed according to the inverted microscope method of Utermoehl. Samples for identification and enumeration of larger phytoplankton cells (&gt;5µm) were preserved in alkaline Lugol solution. Utermoehl, H., 1958. Zur Vervollkommung der quantitativen Phytoplankton-Methodik. Mitt. Int. Ver. Theor. Angew. Limnol., 9:1-38.
DOI: 10.15468/pjnbbl
title: F.M.Ghazzawi (1939) Plankton of the Egyptian waters. A study of the Suez Canal Plankton. Notes and Memories of the Hydrobiology and Fisheries Directorate of Egypt, No 24. (A) The Phytoplankton. Preliminary Report

description: A study of the plankton in the Suez Canal could throw some light from the explanatory point of view, on the distribution of the planktonic forms of the two different water bodies of the Mediterranean and Red Sea. From the fisheries point of view, the plankton study is indispensable to seek out the relation between the abundance and movement of fishes and the fluctuations in the plankton; both in quantity and quality at different times, places and depths.
DOI: 10.1594/pangaea.682117
title: Phytoplankton abundance in surface water during Akademik Vernadsky cruise AV24
DOI: 10.1594/pangaea.690950
title: Microplankton abundance at Station MARCH-1998-GN36199804610MSB01 in the euphotic zone of the Aegean Sea in March 1998. Part 2 - dinoflagellates

description: Microplankton species composition analysis was performed according to the inverted microscope method of Utermoehl. Samples for identification and enumeration of larger phytoplankton cells (&gt;5µm) were preserved in alkaline Lugol solution. Utermoehl, H., 1958. Zur Vervollkommung der quantitativen Phytoplankton-Methodik. Mitt. Int. Ver. Theor. Angew. Limnol., 9:1-38.
DOI: 10.1594/pangaea.687741
title: Microplankton abundance at Station MARCH-1997-GN36199704601MSB02 in the euphotic zone of the Aegean Sea in spring 1997. Part 2 - dinoflagellates

description: Microplankton species composition analysis was performed according to the inverted microscope method of Utermoehl. Samples for identification and enumeration of larger phytoplankton cells (&gt;5µm) were preserved in alkaline Lugol solution. Utermoehl, H., 1958. Zur Vervollkommung der quantitativen Phytoplankton-Methodik. Mitt. Int. Ver. Theor. Angew. Limnol., 9:1-38.
DOI: 10.1594/pangaea.816525
title: Microplankton abundance measured on water bottle samples during AEGAEO cruise LIA-7

description: Microplankton species composition analysis was performed according to the inverted microscope method of Utermoehl. Samples for identification and enumeration of larger phytoplankton cells (&gt;5µm) were preserved in alkaline Lugol solution. Utermoehl, H., 1958. Zur Vervollkommung der quantitativen Phytoplankton-Methodik. Mitt. Int. Ver. Theor. Angew. Limnol., 9:1-38.
DOI: 10.15468/f1ghnz
title: Phytoplankton Ecology of the Saronicos Gulf, Aegean Sea. Ignatiades, L., N. Moschopoulou, M. Karydis and A. Vassiliou, 1983.

description: An integrated ecological investigation of Saronicos Gulf, Aegean sea, was made with the objective of studying the phytoplanktonic populations of the area in connection with the detection and quantitation of species indicators of sewage pollution. The data used comprise the results of thirty six surveys made during January - December 1980. Quantitative and qualitative data of phytoplankton populations collected monthly from nine stations are reported.The stations consisted of three transects of three stations each, from inshore to offshore waters.
DOI: 10.15468/dl.xhcwgb
title: Occurrence Download

description: A dataset containing 8589 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Continent is Africa",
 "TaxonKey is Megathyrsus maximus (Jacq.) B.K.Simon & S.W.L.Jacobs"
 ]
}

 The dataset includes 8589 records from 202 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0034971-240626123714530/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.