David Martín

ORCID: 0000-0003-0397-0769
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About
Contact & Profiles
Research Areas
  • Semantic Web and Ontologies
  • demographic modeling and climate adaptation
  • Service-Oriented Architecture and Web Services
  • Geographic Information Systems Studies
  • Health disparities and outcomes
  • Human Mobility and Location-Based Analysis
  • Impact of Light on Environment and Health
  • Urban Transport and Accessibility
  • Business Process Modeling and Analysis
  • Spatial and Panel Data Analysis
  • Context-Aware Activity Recognition Systems
  • Land Use and Ecosystem Services
  • Religion and Society Interactions
  • Healthcare Policy and Management
  • HIV/AIDS Research and Interventions
  • Migration, Aging, and Tourism Studies
  • Religion, Society, and Development
  • Census and Population Estimation
  • Urban, Neighborhood, and Segregation Studies
  • Advanced Database Systems and Queries
  • Housing Market and Economics
  • Data Quality and Management
  • Research Data Management Practices
  • Data Management and Algorithms
  • Data-Driven Disease Surveillance

Klinik und Poliklinik für Kinder- und Jugendmedizin
2024

University of Southampton
2013-2023

University of Nottingham
2016-2023

Biogipuzkoa Health Research Institute
2023

Universidad Politécnica de Madrid
2010-2022

Département de Chimie Moléculaire
2022

Universidad de Oviedo
2022

Brigham Young University
2022

Universitat de Barcelona
2021

Atlas of Living Australia
2018-2021

Current industry standards for describing Web Services focus on ensuring interoperability across diverse platforms, but do not provide a good foundation automating the use of Services. Representational techniques being developed Semantic can be used to augment these standards. The resulting Service specifications enable development software programs that interpret descriptions unfamiliar and then employ those services satisfy user goals. OWL-S ("OWL Services") is set notations expressing...

10.1007/s11280-007-0033-x article EN cc-by-nc World Wide Web 2007-07-02

Recent work has shown the necessity of considering an attacker's background knowledge when reasoning about privacy in data publishing. However, practice, publisher does not know what attacker possesses. Thus, it is important to consider worst-case. In this paper, we initiate a formal study worst-case knowledge. We propose language that can express any data. provide polynomial time algorithm measure amount disclosure sensitive information worst case, given at most k pieces language. also...

10.1109/icde.2007.367858 article EN 2007-04-01

10.1023/a:1010091302035 article Autonomous Agents and Multi-Agent Systems 2001-01-01

10.1097/00004583-199604000-00009 article EN Journal of the American Academy of Child & Adolescent Psychiatry 1996-04-01

"Census data are commonly used in geographical analysis and to inform planning purposes, though at the disaggregate level basis of enumeration poses difficulties. In this paper an approach surface generation is described that offers prospect revealing underlying population distribution from centroid-based which independent zonal geography. It suggested can serve a wide variety analytical, cartographic, policy including creation spatial indicators economic social conditions enhancing value...

10.1068/a210537 article EN Environment and Planning A Economy and Space 1989-04-01

BACKGROUND: This paper explores the geographical accessibility of health services in urban and rural areas South West England, comparing two measures access characterising most remote from hospitals.Straight-line distance drive-time to nearest general practice (GP) acute hospital (DGH) were calculated for postcodes aggregated 1991 Census wards. The correlation between was used identify wards where straight-line not an accurate predictor drive-time. Wards over 25 km a DGH classified as...

10.1186/1476-072x-3-21 article EN cc-by International Journal of Health Geographics 2004-01-01

The author describes the difficulties associated with use of maps to represent census data. "A review problems population mapping is followed by a discussion [an alternative method known as] raster for handling data, based on population-weighted centroids, and its implications GIS "[geographic information systems]." geographical scope worldwide, an example provided using data Wales.

10.2307/622344 article EN Transactions of the Institute of British Geographers 1989-01-01

Maintenance hemodialysis (MHD) patients often have protein-energy wasting, poor health-related quality of life (QoL), and high premature death rates, whereas African-American MHD greater survival than non-African-American patients. We hypothesized that QoL scores their nutritional correlates a bearing on racial disparities

10.2215/cjn.07690910 article EN Clinical Journal of the American Society of Nephrology 2011-04-29

The generation cycle of an established line rat hepatoma cells (HTC cells) was studied using synchronized cell techniques. Dexamethasone phosphate (Dex), a synthetic adrenal corticosteriod which induces tyrosine aminotransferase (TAT) in HTC randomly distributed the cycle, did not affect durations various phases cycle. activities TAT and several dehydrogenases, rates general protein RNA synthesis, were throughout cycle.Dex, at 10(-5)M, when added to population latter two thirds G1 phase or...

10.1073/pnas.62.1.248 article EN Proceedings of the National Academy of Sciences 1969-01-01

The integration of distributed generation (DG) or resources in the distribution system poses technical constraints for electrical power owner manager. addition relatively large amounts to can potentially challenge historical setting principles and design assumptions made developing protection control strategies based on overcurrent protection. necessity complexity additional measures increase as aggregate DG capacity within a potential island approaches offsets load that island. In addition,...

10.1109/tia.2013.2288426 article EN IEEE Transactions on Industry Applications 2014-05-01

BACKGROUND Rib fractures, constituting 10% to 15% of trauma admissions, contribute significantly morbidity and mortality. Effective postdischarge patient care remains a challenge. Our system has operationalized patient-reported outcome measures (PROMs) via mobile platform into routine monitoring for rib fracture patients. This study aimed use PROMs investigate the association between factors pain mental health. METHODS We collected from nine Midwest hospitals (2021–2022) using platform. The...

10.1097/ta.0000000000004529 article EN Journal of Trauma and Acute Care Surgery 2025-01-06

Success of highly active antiretroviral therapies (HAART) relies on HIV-infected patients being able to adhere complicated treatment regimens for extremely long periods time. Four focus groups with taking antiretrovirals (N = 39) were conducted to: (1) determine what strategies facilitate successful adherence; (2) barriers prevent and (3) investigate the health-care provider patient relationship how it may impact adherence. Quantitative qualitative information was gathered. Participants...

10.1089/108729100318127 article EN AIDS Patient Care and STDs 2000-01-01

Abstract The advantages of handling population data in GIS as a raster surface rather than zonal attributes are discussed, and technique for creating such surfaces briefly reviewed. Existing models created by this method using the 1991 UK Census then compared with equivalent some weaknesses identified, particular poor association between enumeration districts 200 m grid cells. A refined version generation is presented which totals constrained within zone boundaries, while residential...

10.1080/02693799608902120 article EN International Journal of Geographical Information Systems 1996-12-01

SRI International participated in the MUC-6 evaluation using latest version of SRI's FASTUS system [1]. The was originally developed for participation MUC-4 [3] 1992, and performance helped demonstrate viability finite state technologies constrained natural-language understanding tasks. has undergone significant revision since MUC-4, it is safe to say that current does not share a single line code with original. fundamental ideas behind FASTUS, however, are retained system: an architecture...

10.3115/1072399.1072420 article EN 1995-01-01

Recently, it has been discovered that depressed people are less likely than nondepressed to succumb an "illusion of control" and judge their actions influence outcomes objectively uncontrollable. This experiment examined the relationship between depression susceptibility illusion control for oneself others. Depressed college students were asked either how much they themselves had or a male female confederate over noncontingent, but positive, outcome. Replicating past findings on judgments...

10.1037//0022-3514.46.1.125 article EN Journal of Personality and Social Psychology 1984-01-01
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