diff --git a/productMods/WEB-INF/ontologies/update/diff.tab.txt b/productMods/WEB-INF/ontologies/update/diff.tab.txt
index 441ee456..07b924f5 100644
--- a/productMods/WEB-INF/ontologies/update/diff.tab.txt
+++ b/productMods/WEB-INF/ontologies/update/diff.tab.txt
@@ -18,7 +18,7 @@ http://vivoweb.org/ontology/core#AwardOrHonor	http://vivoweb.org/ontology/core#A
 http://vivoweb.org/ontology/core#conferringOrganization	http://vivoweb.org/ontology/core#awardConferredBy	Yes	Map	Directly-changed
 http://vivoweb.org/ontology/core#awardSponsoredBy		No	Delete	not set
 http://vivoweb.org/ontology/core#sponsorsAward		No	Delete	not set
-http://vivoweb.org/ontology/core#AbstractInformation		No	Delete	not set
+http://vivoweb.org/ontology/core#AbstractInformation		No	Delete	Delete
 http://vivoweb.org/ontology/core#reviewedDocumentTitle		No	Delete	not set
 http://vivoweb.org/ontology/core#count		No	Delete	not set
 http://vivoweb.org/ontology/core#displayOrder		No	Delete	not set
@@ -58,6 +58,6 @@ http://vivoweb.org/ontology/core#endDateTime		No	Delete	Delete
 http://vivoweb.org/ontology/core#endDate		No	Delete	Delete
 http://vivoweb.org/ontology/core#endYearMonth		No	Delete	Delete
 http://vivoweb.org/ontology/core#endTime		No	Delete	Delete
-http://vivoweb.org/ontology/core#TimeInterval		No	Delete	not set
+http://vivoweb.org/ontology/core#TimeInterval		No	Delete	Delete
 http://vivoweb.org/ontology/core#timeIntervalFor		No	Delete	not set
 http://vivoweb.org/ontology/core#hasTimeInterval		No	Delete	not set
\ No newline at end of file
diff --git a/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/endDate.sparql b/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/endDate.sparql
similarity index 90%
rename from productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/endDate.sparql
rename to productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/endDate.sparql
index c45e6cde..24fe0ece 100644
--- a/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/endDate.sparql
+++ b/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/endDate.sparql
@@ -23,4 +23,10 @@ Construct {
       _:dti core:dateTimeIntervalFor ?thing .
 } where {
      ?thing core:endDate ?theEndDate .
+     
+     Optional {
+       ?thing core:startDate ?theStartDate 
+     }
+     
+     FILTER (!bound(?theStartDate))
 }
\ No newline at end of file
diff --git a/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/endYear.sparql b/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/endYear.sparql
similarity index 90%
rename from productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/endYear.sparql
rename to productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/endYear.sparql
index cc5ebdf4..eb68f672 100644
--- a/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/endYear.sparql
+++ b/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/endYear.sparql
@@ -23,4 +23,10 @@ Construct {
      _:dti core:dateTimeIntervalFor ?thing .
 } where {
      ?thing core:endYear ?theEndYear .
+     
+     Optional {
+       ?thing core:startYear ?theStartYear 
+     }
+     
+     FILTER (!bound(?theStartYear))
 }
\ No newline at end of file
diff --git a/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/startDate.sparql b/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/startDate.sparql
similarity index 90%
rename from productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/startDate.sparql
rename to productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/startDate.sparql
index 23cebf5b..6b87e4b2 100644
--- a/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/startDate.sparql
+++ b/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/startDate.sparql
@@ -23,4 +23,10 @@ Construct {
      _:dti core:dateTimeIntervalFor ?thing .
 } where {
      ?thing core:startDate ?theStartDate .
+     
+     Optional {
+       ?thing core:endDate ?theEndDate 
+     }
+     
+     FILTER (!bound(?theEndDate))
 }
\ No newline at end of file
diff --git a/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/startYear.sparql b/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/startYear.sparql
similarity index 90%
rename from productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/startYear.sparql
rename to productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/startYear.sparql
index 55459a1c..e734a375 100644
--- a/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions-pass2/startYear.sparql
+++ b/productMods/WEB-INF/ontologies/update/sparqlConstructs/additions/startYear.sparql
@@ -23,4 +23,10 @@ Construct {
      _:dti core:dateTimeIntervalFor ?thing .
 } where {
      ?thing core:startYear ?theStartYear .
+     
+     Optional {
+       ?thing core:endYear ?theEndYear 
+     }
+     
+     FILTER (!bound(?theEndYear))
 }
\ No newline at end of file
diff --git a/productMods/WEB-INF/ontologies/update/sparqlConstructs/deletions/startAndEndDate.sparql b/productMods/WEB-INF/ontologies/update/sparqlConstructs/deletions/startAndEndDate.sparql
deleted file mode 100644
index abab4870..00000000
--- a/productMods/WEB-INF/ontologies/update/sparqlConstructs/deletions/startAndEndDate.sparql
+++ /dev/null
@@ -1,22 +0,0 @@
-PREFIX rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
-PREFIX rdfs:  <http://www.w3.org/2000/01/rdf-schema#>
-PREFIX xsd:   <http://www.w3.org/2001/XMLSchema#>
-PREFIX owl:   <http://www.w3.org/2002/07/owl#>
-PREFIX swrl:  <http://www.w3.org/2003/11/swrl#>
-PREFIX swrlb: <http://www.w3.org/2003/11/swrlb#>
-PREFIX vitro: <http://vitro.mannlib.cornell.edu/ns/vitro/0.7#>
-PREFIX vivo:  <http://vivo.library.cornell.edu/ns/0.1#>
-PREFIX bibo: <http://purl.org/ontology/bibo/>   
-PREFIX dcterms: <http://purl.org/dc/terms/>
-PREFIX event: <http://purl.org/NET/c4dm/event.owl#>
-PREFIX foaf: <http://xmlns.com/foaf/0.1/>
-PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
-PREFIX core: <http://vivoweb.org/ontology/core#>
-
-Construct {
-     ?thing core:startDate ?theStartDate .
-     ?thing core:endDate ?theEndDate .
-} where {
-     ?thing core:startDate ?theStartDate .
-     ?thing core:endDate ?theEndDate .
-}
\ No newline at end of file
diff --git a/productMods/WEB-INF/ontologies/update/sparqlConstructs/deletions/startAndEndYear.sparql b/productMods/WEB-INF/ontologies/update/sparqlConstructs/deletions/startAndEndYear.sparql
deleted file mode 100644
index 01b5a150..00000000
--- a/productMods/WEB-INF/ontologies/update/sparqlConstructs/deletions/startAndEndYear.sparql
+++ /dev/null
@@ -1,22 +0,0 @@
-PREFIX rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
-PREFIX rdfs:  <http://www.w3.org/2000/01/rdf-schema#>
-PREFIX xsd:   <http://www.w3.org/2001/XMLSchema#>
-PREFIX owl:   <http://www.w3.org/2002/07/owl#>
-PREFIX swrl:  <http://www.w3.org/2003/11/swrl#>
-PREFIX swrlb: <http://www.w3.org/2003/11/swrlb#>
-PREFIX vitro: <http://vitro.mannlib.cornell.edu/ns/vitro/0.7#>
-PREFIX vivo:  <http://vivo.library.cornell.edu/ns/0.1#>
-PREFIX bibo: <http://purl.org/ontology/bibo/>   
-PREFIX dcterms: <http://purl.org/dc/terms/>
-PREFIX event: <http://purl.org/NET/c4dm/event.owl#>
-PREFIX foaf: <http://xmlns.com/foaf/0.1/>
-PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
-PREFIX core: <http://vivoweb.org/ontology/core#>
-
-Construct {
-     ?thing core:startYear ?theStartYear .
-     ?thing core:endYear ?theEndYear .
-} where {
-     ?thing core:startYear ?theStartYear .
-     ?thing core:endYear ?theEndYear .
-}
\ No newline at end of file