lsmyrnaios
/
dnet-hadoop
forked from D-Net/dnet-hadoop
1
0
Fork 0
Code Pull Requests Activity

Add bi-directional affiliation relations

This commit is contained in:
Serafeim Chatzopoulos 2023-07-06 18:29:15 +03:00
parent 12528ed2ef
commit bc7b00bcd1
1 changed files with 29 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/bipaffiliations/PrepareAffiliationRelations.java
View File

@ -4,6 +4,8 @@ package eu.dnetlib.dhp.actionmanager.bipaffiliations;
import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
import java.io.Serializable;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import eu.dnetlib.dhp.actionmanager.Constants;
@ -18,6 +20,7 @@ import org.apache.hadoop.mapred.SequenceFileOutputFormat;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.api.java.function.FlatMapFunction;
import org.apache.spark.api.java.function.MapFunction;
import org.apache.spark.sql.Encoders;
import org.apache.spark.sql.SparkSession;
@ -38,7 +41,6 @@ import scala.Tuple2;
*/
public class PrepareAffiliationRelations implements Serializable {
private static final String DOI = "doi";
private static final Logger log = LoggerFactory.getLogger(PrepareAffiliationRelations.class);
private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
private static final String ID_PREFIX = "50|doi_________::";
@ -102,7 +104,7 @@ public class PrepareAffiliationRelations implements Serializable {
// prepare action sets for affiliation relations
affiliationRelations
.map((MapFunction<AffiliationRelationModel, Relation>) affRel -> {
.flatMap((FlatMapFunction<AffiliationRelationModel, Relation>) affRel -> {
// DOI to OpenAIRE id
final String paperId = ID_PREFIX + IdentifierFactory.md5(CleaningFunctions.normalizePidValue("doi", affRel.getDoi()));
@ -125,15 +127,8 @@ public class PrepareAffiliationRelations implements Serializable {
qualifier,
Double.toString(affRel.getConfidence()));
return OafMapperUtils.getRelation(
paperId,
affId,
ModelConstants.RESULT_ORGANIZATION,
ModelConstants.AFFILIATION,
ModelConstants.HAS_AUTHOR_INSTITUTION,
null,
dataInfo,
null);
// return bi-directional relations
return getAffiliationRelationPair(paperId, affId, dataInfo).iterator();
}, Encoders.bean(Relation.class))
.toJavaRDD()
@ -144,4 +139,27 @@ public class PrepareAffiliationRelations implements Serializable {
.saveAsHadoopFile(outputPath, Text.class, Text.class, SequenceFileOutputFormat.class);
}
private static List<Relation> getAffiliationRelationPair(String paperId, String affId, DataInfo dataInfo) {
return Arrays.asList(
OafMapperUtils.getRelation(
paperId,
affId,
ModelConstants.RESULT_ORGANIZATION,
ModelConstants.AFFILIATION,
ModelConstants.HAS_AUTHOR_INSTITUTION,
null,
dataInfo,
null),
OafMapperUtils.getRelation(
affId,
paperId,
ModelConstants.RESULT_ORGANIZATION,
ModelConstants.AFFILIATION,
ModelConstants.IS_AUTHOR_INSTITUTION_OF,
null,
dataInfo,
null)
);
}
}