diff --git a/common/src/main/java/com/msd/gin/halyard/common/TableConfig.java b/common/src/main/java/com/msd/gin/halyard/common/TableConfig.java
index b4f3e861e..a37ec9339 100644
--- a/common/src/main/java/com/msd/gin/halyard/common/TableConfig.java
+++ b/common/src/main/java/com/msd/gin/halyard/common/TableConfig.java
@@ -13,7 +13,8 @@ public final class TableConfig {
     static final int VERSION_4_6_2 = 462;
     static final int VERSION_4_7 = 470;
     static final int VERSION_4_9 = 490;
-    static final int CURRENT_VERSION = VERSION_4_9;
+    static final int VERSION_4_9_1 = 491;
+    static final int CURRENT_VERSION = VERSION_4_9_1;
 
     public static final String ID_HASH = "halyard.id.hash";
     public static final String ID_JAVA_HASH = "halyard.id.javaHash";
diff --git a/common/src/main/java/com/msd/gin/halyard/vocab/IntegerPairNamespace.java b/common/src/main/java/com/msd/gin/halyard/vocab/IntegerPairNamespace.java
new file mode 100644
index 000000000..bc49c78bd
--- /dev/null
+++ b/common/src/main/java/com/msd/gin/halyard/vocab/IntegerPairNamespace.java
@@ -0,0 +1,48 @@
+package com.msd.gin.halyard.vocab;
+
+import com.msd.gin.halyard.common.AbstractIRIEncodingNamespace;
+import com.msd.gin.halyard.common.ValueIO;
+
+import java.nio.ByteBuffer;
+
+public class IntegerPairNamespace extends AbstractIRIEncodingNamespace {
+	private static final long serialVersionUID = 571723932297421854L;
+
+	private final String sep1;
+	private final String sep2;
+
+	IntegerPairNamespace(String prefix, String ns, String sep1, String sep2) {
+		super(prefix, ns);
+		this.sep1 = sep1;
+		this.sep2 = sep2;
+	}
+
+	@Override
+	public ByteBuffer writeBytes(String localName, ByteBuffer b) {
+		int start1 = sep1.length();
+		int end1 = localName.indexOf(sep2, start1);
+		if (end1 == -1) {
+			throw new IllegalArgumentException("Unexpected input: "+localName);
+		}
+		int start2 =  end1 + sep2.length();
+		int start = b.position();
+		b = ValueIO.ensureCapacity(b, 1);
+		b.position(start + 1);
+		b = ValueIO.writeCompressedInteger(localName.substring(start1, end1), b);
+		int len1 = b.position() - start - 1;
+		b = ValueIO.writeCompressedInteger(localName.substring(start2), b);
+		b.put(start, (byte)len1);
+		return b;
+	}
+
+	@Override
+	public String readBytes(ByteBuffer b) {
+		int len1 = b.get();
+		int originalLimit = b.limit();
+		b.limit(b.position() + len1);
+		String first = ValueIO.readCompressedInteger(b);
+		b.limit(originalLimit);
+		String second = ValueIO.readCompressedInteger(b);
+		return sep1 + first + sep2 + second;
+	}
+}
diff --git a/common/src/main/java/com/msd/gin/halyard/vocab/SEMOPENALEX.java b/common/src/main/java/com/msd/gin/halyard/vocab/SEMOPENALEX.java
index 585f2e033..c3e91c32b 100644
--- a/common/src/main/java/com/msd/gin/halyard/vocab/SEMOPENALEX.java
+++ b/common/src/main/java/com/msd/gin/halyard/vocab/SEMOPENALEX.java
@@ -14,10 +14,18 @@ public final class SEMOPENALEX implements Vocabulary {
 	public static final String WORK_NAMESPACE = "https://semopenalex.org/work/";
 	public static final String AUTHOR_NAMESPACE = "https://semopenalex.org/author/";
 	public static final String INSTITUTION_NAMESPACE = "https://semopenalex.org/institution/";
+	public static final String AUTHOR_POSITION_NAMESPACE = "https://semopenalex.org/authorposition/";
+	public static final String CONCEPT_SCORE_NAMESPACE = "https://semopenalex.org/conceptscore/";
+	public static final String COUNTS_BY_YEAR_NAMESPACE = "https://semopenalex.org/countsbyyear/";
+	public static final String LOCATION_NAMESPACE = "https://semopenalex.org/location/";
 	public static final Namespace CLASS_NS = new SimpleNamespace("soa_class", CLASS_NAMESPACE);
 	public static final Namespace PROPERTY_NS = new SimpleNamespace("soa_prop", PROPERTY_NAMESPACE);
 	public static final Namespace CONCEPT_NS = new PrefixedIntegerNamespace("soa_concept", CONCEPT_NAMESPACE, "C");
 	public static final Namespace WORK_NS = new PrefixedIntegerNamespace("soa_work", WORK_NAMESPACE, "W");
 	public static final Namespace AUTHOR_NS = new PrefixedIntegerNamespace("soa_auth", AUTHOR_NAMESPACE, "A");
 	public static final Namespace INSTITUTION_NS = new PrefixedIntegerNamespace("soa_inst", INSTITUTION_NAMESPACE, "I");
+	public static final Namespace AUTHOR_POSITION_NS = new IntegerPairNamespace("soa_ap", AUTHOR_POSITION_NAMESPACE, "W", "A");
+	public static final Namespace CONCEPT_SCORE_NS = new IntegerPairNamespace("soa_cs", CONCEPT_SCORE_NAMESPACE, "W", "C");
+	public static final Namespace COUNTS_BY_YEAR_NS = new PrefixedIntegerNamespace("soa_cby", COUNTS_BY_YEAR_NAMESPACE, "P");
+	public static final Namespace LOCATION_NS = new PrefixedIntegerNamespace("soa_loc", LOCATION_NAMESPACE, "W");
 }
diff --git a/common/src/test/java/com/msd/gin/halyard/common/IdValueFactoryExtendedTest.java b/common/src/test/java/com/msd/gin/halyard/common/IdValueFactoryExtendedTest.java
index 6f76cc024..41263260c 100644
--- a/common/src/test/java/com/msd/gin/halyard/common/IdValueFactoryExtendedTest.java
+++ b/common/src/test/java/com/msd/gin/halyard/common/IdValueFactoryExtendedTest.java
@@ -1,6 +1,7 @@
 package com.msd.gin.halyard.common;
 
 import com.msd.gin.halyard.vocab.HALYARD;
+import com.msd.gin.halyard.vocab.SEMOPENALEX;
 import com.msd.gin.halyard.vocab.WIKIDATA;
 
 import java.io.ByteArrayInputStream;
@@ -80,6 +81,7 @@ private static List<Value> createData(ValueFactory vf) {
 			vf.createIRI(WIKIDATA.WDV_NAMESPACE, "400f9abd3fd761c62af23dbe8f8432158a6ce272"),
 			vf.createIRI(WIKIDATA.WDV_NAMESPACE, "invalid"),
 			vf.createIRI(WIKIDATA.WDV_NAMESPACE+"400f9abd3fd761c62af23dbe8f8432158a6ce272/"),
+			vf.createIRI(SEMOPENALEX.AUTHOR_POSITION_NAMESPACE+"W10986400A2001695"),
 			vf.createIRI("urn:uuid:8104c873-b648-44de-aaee-cb65f1dcafbb")
 		);
 	}
diff --git a/common/src/test/java/com/msd/gin/halyard/common/RDFFactoryTest.java b/common/src/test/java/com/msd/gin/halyard/common/RDFFactoryTest.java
index 3309783b1..8af3dffc6 100644
--- a/common/src/test/java/com/msd/gin/halyard/common/RDFFactoryTest.java
+++ b/common/src/test/java/com/msd/gin/halyard/common/RDFFactoryTest.java
@@ -1,6 +1,7 @@
 package com.msd.gin.halyard.common;
 
 import com.msd.gin.halyard.vocab.HALYARD;
+import com.msd.gin.halyard.vocab.SEMOPENALEX;
 import com.msd.gin.halyard.vocab.WIKIDATA;
 
 import java.math.BigDecimal;
@@ -89,6 +90,7 @@ static List<Object[]> createData(ValueFactory vf) {
 			new Object[] {vf.createIRI(WIKIDATA.WDV_NAMESPACE, "400f9abd3fd761c62af23dbe8f8432158a6ce272"), ValueIO.ENCODED_IRI_TYPE},
 			new Object[] {vf.createIRI(WIKIDATA.WDV_NAMESPACE, "invalid"), ValueIO.NAMESPACE_HASH_TYPE},
 			new Object[] {vf.createIRI(WIKIDATA.WDV_NAMESPACE+"400f9abd3fd761c62af23dbe8f8432158a6ce272/"), ValueIO.END_SLASH_ENCODED_IRI_TYPE},
+			new Object[] {vf.createIRI(SEMOPENALEX.AUTHOR_POSITION_NAMESPACE+"W10986400A2001695"), ValueIO.ENCODED_IRI_TYPE},
 			new Object[] {vf.createIRI("urn:uuid:8104c873-b648-44de-aaee-cb65f1dcafbb"), ValueIO.ENCODED_IRI_TYPE}
 		);
 	}