Merge pull request #15 from SANSA-Stack/release_update

Author: patrickwestphal

sansa-inference-common/pom.xml

@@ -79,11 +79,6 @@
       <groupId>org.apache.calcite</groupId>
       <artifactId>calcite-core</artifactId>
     </dependency>
-    <dependency>
-      <groupId>com.google.protobuf</groupId>
-      <artifactId>protobuf-java</artifactId>
-      <version>3.5.0</version>
-    </dependency>
 
     <!-- Scopt CLI API-->
     <dependency>

sansa-inference-spark/pom.xml

@@ -136,6 +136,7 @@
         <dependency>
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-common</artifactId>
+            <version>${hadoop.version}</version>
         </dependency>
 
         <!-- Graph API -->
@@ -170,8 +171,6 @@
         <dependency>
             <groupId>com.holdenkarau</groupId>
             <artifactId>spark-testing-base_${scala.binary.version}</artifactId>
-            <!--version>${spark.version}_0.7.1</version-->
-            <version>2.3.0_0.9.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -323,7 +322,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-dependency-plugin</artifactId>
-                <!--<version>3.0.1</version>-->
                 <executions>
                     <execution>
                         <id>resource-dependencies</id>

sansa-inference-spark/src/main/scala/net/sansa_stack/inference/spark/data/loader/RDFGraphLoader.scala

@@ -4,10 +4,9 @@ import java.net.URI
 
 import net.sansa_stack.inference.data.{SQLSchema, SQLSchemaDefault}
 import net.sansa_stack.inference.spark.data.model.{RDFGraph, RDFGraphDataFrame, RDFGraphDataset, RDFGraphNative}
-import net.sansa_stack.inference.utils.NTriplesStringToJenaTriple
 import org.apache.jena.graph.Triple
 import org.apache.jena.riot.Lang
-import org.apache.spark.sql.{Dataset, Encoder, SaveMode, SparkSession}
+import org.apache.spark.sql.{Dataset, Encoder, SparkSession}
 import org.apache.spark.{SparkConf, SparkContext}
 import org.slf4j.LoggerFactory
 import scala.language.implicitConversions
@@ -222,7 +221,7 @@ object RDFGraphLoader {
     println(triples.count())
     triples
       .filter("p == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type'")
-      .write.mode(SaveMode.Append).rdf("/tmp/lubm/out")
+      .write.mode(org.apache.spark.sql.SaveMode.Append).rdf("/tmp/lubm/out")