cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.25532/opara-721
title: Data for "An Elephant Under the Microscope: Analyzing the Interaction of Optimizer Components in PostgreSQL"

description: This dataset presents benchmark data for the SIGMOD 2025 publication "An Elephant Under the Microscope: Analyzing the Interaction of Optimizer Components in PostgreSQL" (https://doi.org/10.1145/3709659). The dataset spans multiple different experiments, each analyzing how different components of relational query optimizers influence each other and how they perform when faced with faulty input. For each experiment a dedicated ZIP file is available. These files contain READMEs with technical information (e.g. table columns). Detailed descriptions of the individual experiments can be found in the actual publication, as well as in the code repository that provides the actual experiment scripts for reproducibility (available at https://github.com/db-tu-dresden/SIGMOD25-PostgreEval).
DOI: 10.25532/opara-853
title: Data for: "PCL-based Drug Delivery System allows high antibiotic loading while maintaining cytocompatibility and antibacterial activity"

description: The present dataset encompasses images of PCL-based drug delivery systems subsequent to their fabrication. Moreover, it comprises raw data as well as processed data of UV/Vis measurements, which are employed to ascertain antibiotic concentrations. The dataset incorporates data from antimicrobial testing and the determination of minimal inhibitory concentrations via agar diffusion tests. Additionally, it encompasses data from assays of cellular toxicity with smooth muscle cells.
DOI: 10.25532/opara-735
title: A New Risk Assessment Model for Unexploded underwater Military Munitions: Monte Carlo Simulation

description: This file contains monte carlo simulation data from the following doctoral thesis: Frey, Torsten. A New Risk Assessment Model for Unexploded underwater Military Munitions. Dissertation. Leipzig University. Leipzig. 2025. https://doi.org/10.5281/zenodo.14620239. For detailed information, the interested party is referred to section 6.2 and Appendix 10 of the dissertation.
DOI: 10.15468/dl.mwpxq5
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Rattus rattus",
 "Country is San Marino",
 "HasCoordinate is true"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0029177-250717081556266/datasets/export for details.
DOI: 10.25532/opara-749
title: A New Risk Assessment Model for Unexploded underwater Military Munitions: Application Data

description: This file contains application demonstration data from the following doctoral thesis: Frey, Torsten. A New Risk Assessment Model for Unexploded underwater Military Munitions. Dissertation. Leipzig University. Leipzig. 2025. https://doi.org/10.5281/zenodo.14620239. For detailed information, the interested party is referred to section 6.3 of the dissertation.
DOI: 10.25532/opara-751
title: A New Risk Assessment Model for Unexploded underwater Military Munitions: Workshop 1 Poll Results

description: This file contains workshop poll data from the following doctoral thesis: Frey, Torsten. A New Risk Assessment Model for Unexploded underwater Military Munitions. Dissertation. Leipzig University. Leipzig. 2025. https://doi.org/10.5281/zenodo.14620239. For detailed information, the interested party is referred to Appendices 3 and 4 of the dissertation.
DOI: 10.25532/opara-758
title: A New Risk Assessment Model for Unexploded underwater Military Munitions: Workshop 2 Poll Results

description: This file contains workshop poll data from the following doctoral thesis: Frey, Torsten. A New Risk Assessment Model for Unexploded underwater Military Munitions. Dissertation. Leipzig University. Leipzig. 2025. https://doi.org/10.5281/zenodo.14620239. For detailed information, the interested party is referred to Appendices 6, 7, and 8 of the dissertation.
DOI: 10.25532/opara-685
title: Data Underpinning: Disordered ground state in the 3D face-centred frustrated spin-5/2 system MnSn(OH)₆

description: This contains the data underpinning our paper on MnSn(OH)₆. The abstract of the article is reproduced below: 
 Frustrated magnetism in face-centered cubic (fcc) magnetic sublattices remains underexplored but holds considerable potential for exotic magnetic behavior. Here, we report on the crystal structural, magnetic and thermodynamic properties of the A-site-vacant double hydroxide perovskite MnSn(OH)₆. Despite dominant antiferromagnetic interactions among Mn²⁺ moments, evidenced by a negative Curie-Weiss temperature, the lack of a sharp thermodynamic transition down to 350 mK implies the absence of long-range magnetic order. However, a broad hump at 1.6 K suggests short-range correlations and spin freezing, with power-law behavior consistent with a spin-glass state. Neutron diffraction at low temperatures confirms the presence of three-dimensional (3D) antiferromagnetic correlations, manifesting as diffuse magnetic scattering with a correlation length ξ = 24.66 Å and a magnetic propagation vector k = (0 0 ½) at 20 mK.
DOI: 10.14473/csda/7r9b57
title: Názory občanů na změny související s realizací přestavby hospodářského mechanismu v ČSSR

description: Cílem výzkumu Názory občanů na změny související s realizací přestavby hospodářského mechanismu v ČSSR je zjistit názory ekonomicky aktivních obyvatel na přestavbu hospodářského mechanismu ČSSR, na současný stav národního hospodářství a rovněž i na připravenost a ochotu podniků, organizací, institucí i jednotlivců realizovat změny související s přestavbou národního hospodářství ČSSR.

Předmětem výzkumu jsou názory a výpovědi ekonomicky aktivních občanů starších 18 let na následující problémové okruhy.

Názory na přestavbu národního hospodářství
- informovanost a zájem pracujících o řešení hospodářských otázek současnosti
- představy pracujích o charakteru a dosavadním průběhu přestavby
- vztah občanů k přestavbě a její realizaci
- očekávání přínosu přestavby

Názory na připravenost organizací a pracujích k přestavbě
- problematika hospodaření organizací
- informovanost o připravovaných změnách v organizacích
- podíl pracujících na řízení
- volby vedoucích pracovníků
DOI: 10.25532/opara-750
title: Raw data of the paper "Brillouin spectroscopic investigation of corneal hydration and the impact of cross-linking therapy on water retention"

description: Raw Brillouin, Raman and PS-OCT data acquired within the project and paper "Brillouin spectroscopic investigation of corneal hydration and the impact of cross-linking therapy on water retention"
DOI: 10.25532/opara-773
title: Dataset Validation Study ILEA-Basis-T

description: The validation study was conducted to statistically test the validity of the developed DBS. Accordingly, the materials that had been developed for the DBS over the course of the project and had already been tested were used. The parents of all participating children gave their consent. The research ethical standards were adhered to. Likewise, a positive vote of the ethics committee of the University of Leipzig was available. At the same time, further domain-specific test procedures were used to determine convergent and discriminant validity in the areas of early literacy and early mathematics (e.g. MBK 0, Krajewski, 2018; GISC-EL, Koch, Euker Kuhl, 2016). In addition, a comprehensive rating-based evaluation form was developed for the Early Mathematics Observation Form, with a focus on suitability for everyday use and acceptance in practice. The observation procedures for well-being and the children's questionnaire on well-being were used by project staff, students, and preschool teachers. Convergent discrimination for the habitual well-being rating procedure was determined using a selection of parallel assessment methods (excerpts from KOMPIK; Mayr, Bauer, Krause, Kruse, Schnirch, 2014; Leiden Inventory for the Child's Wellbeing in Day Care/LICW-D; De Schipper, Van IJzendoorn, Tavecchio, 2004).
DOI: 10.25532/opara-767
title: Flossgraben Bridge - Large-Scale Experiment Acceleration Data

description: The research presented is part of the SPP100+ of the German Research Foundation. Subject of the research is the early detection of damage, especially on large bridge structures. For this purpose, a large-scale experiment for vibration-based output-only damage detection was conducted at Flossgraben Bridge near Zeitz (Germany). The experiment was conducted over the course of three days for which the structure was equipped with 56 uniaxial piezoelectric acceleration sensors. The experimental structure is a healthy bridge structure constructed in 2001 and is part of the federal road B2 with two lanes for traffic. The bridge is composed of seven spans, with a total length of 358 m and a total weight of approximately 4750 t. The superstructure consists of an in-situ concrete slab resting on a trapezoidal, torsionally rigid steel box girder with inclined webs.
 The large-scale experiment was divided into a reference phase and two damage equivalent load case phases. Cargo trucks with a total mass of 39 t were used as additional mass and placed in field 4 and field 3 as mass alterations. During the complete course of the large-scale experiment one traffic lane was closed, while the other was open for traffic. The experiment was carried out with the kind support of the LSBB Saxony-Anhalt.
DOI: 10.25532/opara-733
title: Pore water pressure evolution and grain shape of different materials

description: These data serve as a basis for comparing the evolution of excess pore water pressure in different materials (natural sands, mixtures of glass beads and crushed sand), as well as various influencing factors and specimen preparation methods, obtained using the newly developed simplified undrained cyclic shear test, the PWP Tester. Additionally, the data for the determination of grain shape parameters of several materials are included. These files support the publication: https://nbn-resolving.org/urn:nbn:de:bsz:14-qucosa2-945638.
DOI: 10.25532/opara-671
title: Statistical Evaluation of Strain Reading Anomalies in Distributed Fiber Optic Strain Sensing Measurements

description: Three different strain measurements with distributed fibre optic sensors using the ODiSI 6100 in different load conditions have been analyzed regarding the occurence of strain reading anomalis. Therefore, strain reading anomalies have been marked manually.

The load states include a cracked state ( prestressed concrete specimen in 4-point-bending with increasing load), a prestressed state (concrete specimen after prestressing, small cracking) and an unloaded state (prestressed concrete specimen). The used EpsilonSensors (3 mm, ripped) of NerveSensors have been embedded in the concrete specimens. All measurements have been carried out using a gage pitch of 1.3 mm and frequencies between 1 and 6 Hz. The key has been created before concreting of the specimens.

The datasets can be used f.e. for the evaluation of pre-processing algorithms or the creation of benchmark datasets.

The datasets have been choosen due to their bad measurement quality and are no measure for the overall quality of distributed fibre optic strain sensing measurements. The quality issues might be due to dirty connections, scratched connections or sharp strain gradients.
DOI: 10.25532/opara-741
title: Data for "Continuous order-to-order quantum phase transitions from fixed-point annihilation"

description: The archive contains the data used to construct Fig. 2, Fig. 3, and Fig. S5 of the manuscript "Continuous order-to-order quantum phase transitions from fixed-point annihilation" by David J. Moser and Lukas Janssen [arXiv:2412.06890]. The work exploits mean-field theory and renormalization group approaches to unveil several examples of continuous order-to-order quantum phase transitions from fixed-point annihilation.
DOI: 10.25532/opara-806
title: Micro-CT data for SPP 2364 "Model-based control of spray synthesis of structured granules with specified properties using transfer functions derived by multivariate stochastic models and machine learning"

description: The data set comprises the micro-CT data from the 1st funding period of the SPP 2364, project number 504580586. The data published here contains the raw, reconstructed micro-CT images of the two spray dried samples (at two different feed rates) tested. The scans were done using the Zeiss Xradia Versa 510.
DOI: 10.25532/opara-851
title: SPP 2020 - Numerical Benchmark - Fibre Analysis

description: This repository contains codes to investigate CT data of fibre reinforced concrete as well as the determined fibre coordinates.
DOI: 10.25532/opara-716
title: A New Risk Assessment Model for Unexploded underwater Military Munitions: Sensitivity Analysis

description: This file contains sensitivity analysis data to the following doctoral thesis: Frey, Torsten. A New Risk Assessment Model for Unexploded underwater Military Munitions. Dissertation. Leipzig University. Leipzig. 2025. DOI: 10.5281/zenodo.14620239. For detailed information, the interested party is referred to section 6.1 and Appendix 9 of the dissertation.
DOI: 10.25532/opara-849
title: Supplementary information to the publication “Influence of foam composite in lithium-ion battery packs on their mechanical recycling”

description: Supplementary data to the following paper.
Lithium-ion batteries (LIB) make an important contribution to the energy transition as energy storage devices for mobile and stationary applications. The recovery of the valuable materials contained in the lithium-ion batteries after their end of life is of central importance for the development of a circular economy in line with the concept of sustainability. Mechanical recycling is to be seen as a first step in this process.
With processes for the mechanical recycling of LIB that have already been successfully developed and implemented, it is possible to recover most components of a LIB i.e., the materials of the anode, cathode and separator foils as well as the casing. The concentrate of the coating of the electrode foils, which is called black mass, becomes an intermediate product for hydrometallurgical recycling processes for the recovery of lithium, among other materials.
Some OEM of the automotive industry are about to introduce cell-to-pack-technologies, in which individual LIB-cells are fixed and stabilised in their position inside the large battery pack with the aid of a foam material, thereby adding further materials to the battery pack. The effects of the foam on the recycling are not known yet. Within the scope of this experimental work, several technological variants to enrich and separate the foam as an individual material fraction were investigated. The holistic aim is to minimise contamination from the foam in the valuable fractions. Two different types of foam and their effect on the purity of the recycling products were analysed.
DOI: 10.25532/opara-825
title: Data corresponding to the publication: "SU(N) altermagnetism: Lattice models, magnon modes, and flavor-split bands" by P. M. Cônsoli and M. Vojta (2025)

description: This dataset contains the scripts that generated the data and figures from the preprint P. M. Cônsoli and M. Vojta, "SU(N) altermagnetism: Lattice models, magnon modes, and flavor-split bands", arXiv:2402.18629, which has been accepted for publication in Physical Review Letters.
DOI: 10.14473/csda/nvlvod
title: Názory občanů na kulturní život ve městě a na venkově

description: Cílem výzkumu Názory občanů na kulturní život ve městě a na venkově bylo zjistit názory občanů ČSSR na kulturní život, zejména v místě jejich trvalého bydliště, a zachytit rozdíl mezi názory obyvatel městských a venkovských sídel.

Předmětem výzkumu byly názory československé populace ve věku pd 14 let na vybrané aspekty kulturního života ve městech a na venkově. Výzkum byl obsahově orientován na následující problémové okruhy:

1. Kulturní zájmy a aktivity občanů 
- kulturní zájmy a preference
- výpovědi o individuálních kulturních aktivitách a vybavenosti

2. Názory a požadavky na kulturní život v místě bydliště
- názory na bydlení ve městě a na venkově, zejména s ohledem na kulturní aspekty
- názory na kulturní vybavenost a organizaci kulturního života
DOI: 10.25532/opara-807
title: Granule size and shape data from SOPAT for publication "Impact of Feed Rate and Binder Concentration on the Morphology of Spray Dried Alumina-Polymer Nano-composites"

description: This dataset comprises in-line experimental SOPAT data from spray drying investigations of alumina and polyvinylpyrrolidone-30 composite granules. The spray drying process outcomes are documented through inline optical images of dried granules obtained via a SOPAT in-line imaging system providing maximum and minimum Feret diameter and aspect ratio information.
DOI: 10.25532/opara-803
title: Parametric Analysis Data on Boil-Off Rate and Holding Time of Metallic Tanks Containing Ammonia

description: This dataset was generated using a Simulink model developed as part of a digital platform to support the conceptual design of ships utilizing ammonia. The model simulates a metallic tank filled with ammonia under an initial predefined pressure and liquid volume fraction, analyzing its boil-off rate and holding time.
DOI: 10.25532/opara-832
title: Mesenchymal-epithelial transition reduces proliferation but increases immune evasion in tumor spheroids

description: The data corresponds to experiments performed with MET-inducible models of MDA-MB-231 and ES-2 mesenchymal cell lines. These were modified to contain an inducible plasmid that codes for miR-200c and miR-141 that upon overexpression trigger the expression of epithelial features. In the first place, the collection contains transcriptomic and proteomic data suchs as RNA seq data, q-PCR data, western-blot data, and immunofluorescence of EMT markers, that were all used to characterize our models. Moving forwards, with these two models we performed proliferation assays in adherent and 3D cultures of different nature. In adherent cultures, we looked at the effect of MET on proliferation focusing on the regulation exhorted by mechanical signals such as cell-cell junctions, spread area and their influence on contact inhibition of proliferation. Most of the data acquired from these experiments were obtained by image analysis of immunofluorescent microscopy. To measure proliferation changes in 3D cultures, we cultured cells in PEG-heparin hydrogels at both degradable and non-degradable forms. This gave rise to tumor spheroids were we quantified different parameters to assess proliferation levels. Moreover, we used pharmacologycal inhibitors to study the effect of focal adhesion and actomyosin cytoskeletal signaling in the proliferation of these tumor spheroids, culture in control and MET-inducing conditions. The data from these experiments was as well obtained from image analysis from fluorescent microscopy. Furthermore, we performed co-cultures of tumor spheroids with peripheral blood mononuclear cells and quantified the changes in apoptosis in the tumor cells, both by image analysis from immunofluorescent microscopy and flow cytometry.
DOI: 10.25532/opara-812
title: Predictive maintenance demonstrator dataset with individual load histories

description: Predictive maintenance aims to develop methods that are capable of predicting component failure before it occurs. Virtual sensing methods predict unmeasured physical quantities from available measurement data. These methods offer significant benefits to predictive maintenance, since virtual sensors can be used to estimate quantities that are difficult to measure. In many real applications, the time to failure is in the range of years, complicating the development and validation of predictive maintenance and virtual sensing approaches. This dataset provides a demonstrator example where failure occurs based on individual load histories. The sensor setup consists of simple notched steel specimens, which are clamped between two servo-hydraulic cylinders of a fatigue test bench. It is designed to provide a virtual sensor use case with independent training and testing data, so that the dataset can be used for algorithm development and benchmarking purposes.
DOI: 10.25532/opara-844
title: Particle image velocimetry inside in-axis and off-axis stretched Newtonian liquid bridges

description: Supplemental material for the publication: "Particle image velocimetry of the flow field inside in-axis and off-axis stretched liquid bridges" by Fritzsche, L., Bauer, K., Schwarze, R. (2025). The study introduces a novel experimental technique that enables comprehensive visualization and measurement of the internal flow field of liquid bridges throughout the stretching process. By embedding the liquid bridge in a refractive-index-matched immiscible outer liquid phase, unobstructed optical access to the entire volume is provided and optical distortions are eliminated. The data collection archived here contains the time-resolved PIV data (velocity fields) for all cases discussed in the publication, raw images for two representative cases (plate speeds 5 mm/s), and evaluated minimum diameters over time (including raw images) for liquid-air systems to compare to the liquid-liquid system of the PIV measurements.
DOI: 10.25532/opara-829
title: Investigations on prestressing wire breaks in a post-tensioned prefabricated girder – Distributed fiber optic strain data and Python scripts

description: This data set contains distributed fiber optic strain data and Python scripts for evaluation.
The data was collected 2022-10-04 during experiments on a decommissioned bridge girder of type BTE 311.080.12.
These prefabricated and post-tensioned girders were produced in the former GDR.
In the experiments, tendons were deliberately damaged by cutting wires.
Two locations on opposite lateral sites of the girder 1 m from the girder's middle were selected: C1 and C2.
The data shows strain changes measured with a distributed fiber optic sensor (DFOS) installed in the underside of the girder.
The DFOS was routed in three segments along the free span of the girder.
DOI: 10.25532/opara-842
title: Data for "Fractionalized fermionic multicriticality in anisotropic Kitaev spin-orbital liquids"

description: The archive contains the data used to construct Figs. 1-3 of the paper "Fractionalized fermionic multicriticality in anisotropic Kitaev spin-orbital liquids" by M. Fornoville and L. Janssen [arXiv:2505.01493]. The work uses Majorana mean-field theory and renormalization group theory to study the low-temperature phase diagram of quantum Kitaev-Heisenberg spin-orbital models with XXZ anisotropy on the honeycomb lattice.
DOI: 10.25532/opara-884
title: eBike measurements for fatigue monitoring using acceleration differences

description: In fatigue monitoring, the aim is to approximate the fatigue damage accumulation in a system, for example to schedule maintenance intelligently. Virtual sensing can be deployed to obtain the required information more efficiently by estimating them from readily available sensor data. This dataset contains acceleration and strain measurements from a sensor equipped eBike, designed to develop such methods. Using the acceleration data, the aim is to estimate the fatigue damage accumulation at the strain gauge positions. Here, the sensors are positioned such that differences between multiple acceleration sensors provide information that is related to the deformation of the eBike frame, so that a connection to strain gauge data can be established by computing differences between integrated displacement data. The dataset includes data intended for training and testing of data-driven modeling approaches, which is obtained from regular eBike usage. Additional labeled data enables the analysis of specific riding maneuvers.