<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-07T12:44:38Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/7261" metadataPrefix="marc">https://riubu.ubu.es/oai/request</request><GetRecord><record><header><identifier>oai:riubu.ubu.es:10259/7261</identifier><datestamp>2023-01-19T01:05:10Z</datestamp><setSpec>com_10259.4_2526</setSpec><setSpec>com_10259.4_2525</setSpec><setSpec>com_10259.4_106</setSpec><setSpec>com_10259_2604</setSpec><setSpec>com_10259_3847</setSpec><setSpec>com_10259_5086</setSpec><setSpec>col_10259_4164</setSpec><setSpec>col_10259_3848</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
<leader>00925njm 22002777a 4500</leader>
<datafield tag="042" ind1=" " ind2=" ">
<subfield code="a">dc</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Arroyo Puente, Ángel</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Herrero Cosío, Álvaro</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Tricio Gómez, Verónica</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Corchado, Emilio</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="720" ind1=" " ind2=" ">
<subfield code="a">Woźniak, Michał</subfield>
<subfield code="e">author</subfield>
</datafield>
<datafield tag="260" ind1=" " ind2=" ">
<subfield code="c">2018</subfield>
</datafield>
<datafield tag="520" ind1=" " ind2=" ">
<subfield code="a">Ozone is one of the pollutants with most negative efects on human health and in general on the biosphere. Many data-acquisition&#xd;
networks collect data about ozone values in both urban and background areas. Usually, these data are incomplete or corrupt and the&#xd;
imputation of the missing values is a priority in order to obtain complete datasets, solving the uncertainty and vagueness of existing&#xd;
problems to manage complexity. In the present paper, multiple-regression techniques and Artifcial Neural Network models are&#xd;
applied to approximate the absent ozone values from fve explanatory variables containing air-quality information. To compare the&#xd;
diferent imputation methods, real-life data from six data-acquisition stations from the region of Castilla y Leon (Spain) are gathered ´&#xd;
in diferent ways and then analyzed. Te results obtained in the estimation of the missing values by applying these techniques and&#xd;
models are compared, analyzing the possible causes of the given response.</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">1076-2787</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">http://hdl.handle.net/10259/7261</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">10.1155/2018/7238015</subfield>
</datafield>
<datafield tag="024" ind2=" " ind1="8">
<subfield code="a">1099-0526</subfield>
</datafield>
<datafield tag="245" ind1="0" ind2="0">
<subfield code="a">Neural Models for Imputation of Missing Ozone Data in Air-Quality Datasets</subfield>
</datafield>
</record></metadata></record></GetRecord></OAI-PMH>