diff --git a/asterix-app/data/temporal/temporalData.json b/asterix-app/data/temporal/temporalData.json
index b866a51..520fd4b 100644
--- a/asterix-app/data/temporal/temporalData.json
+++ b/asterix-app/data/temporal/temporalData.json
@@ -1,3 +1,3 @@
-{"id": "001", "dateField": -2012-12-12, "dateFieldPlus": 0990-01-01, "timeField": 23:49:12.39Z, "timeFieldPlus": 03:23:12.2, "datetimeField": 2012-12-12T00:00:00.001, "datetimeFieldPlus": -00130810T221015398, "durationField": P20Y19DT3H74M23.34S, "durationFieldPlus": -P2MT4M300.68S, "intervalField": I(2012-12-12T00:00:00.001,20130810T221015398) }
-{"id": "002", "datetimeField": 19201220T232918478 }
-{"id": "003", "intervalPlus": I(19:23:32.328Z,23:20:20) }
\ No newline at end of file
+{"id": "001", "dateField": date("-2012-12-12"), "dateFieldPlus": date("0990-01-01"), "timeField": time("23:49:12.39Z"), "timeFieldPlus": time("03:23:12.2"), "datetimeField": datetime("2012-12-12T00:00:00.001"), "datetimeFieldPlus": datetime("-00130810T221015398"), "durationField": duration("P20Y19DT3H74M23.34S"), "durationFieldPlus": duration("-P2MT4M300.68S"), "intervalField": dtinterval("2012-12-12T00:00:00.001,20130810T221015398") }
+{"id": "002", "datetimeField": datetime("19201220T232918478") }
+{"id": "003", "intervalPlus": tinterval("19:23:32.328Z,23:20:20") }
\ No newline at end of file
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/nontagged/serde/AIntervalSerializerDeserializer.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/nontagged/serde/AIntervalSerializerDeserializer.java
index 7c87dfa..ffcf5ee 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/nontagged/serde/AIntervalSerializerDeserializer.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/nontagged/serde/AIntervalSerializerDeserializer.java
@@ -17,6 +17,7 @@
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
+import java.util.regex.Pattern;
 
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.AInterval;
@@ -42,6 +43,8 @@
 
     private static final String errorMessage = "This can not be an instance of interval";
 
+    private static final Pattern COMMA_PATTERN = Pattern.compile(",");
+
     private AIntervalSerializerDeserializer() {
     }
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/AdmSchemafullRecordParserFactory.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/AdmSchemafullRecordParserFactory.java
index 3093c98..f343660 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/AdmSchemafullRecordParserFactory.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/AdmSchemafullRecordParserFactory.java
@@ -73,6 +73,12 @@
 
     protected ARecordType recType;
 
+    private enum IntervalType {
+        DATE_INTERVAL,
+        TIME_INTERVAL,
+        DATETIME_INTERVAL
+    }
+
     public AdmSchemafullRecordParserFactory(ARecordType recType) {
         this.recType = recType;
     }
@@ -327,16 +333,16 @@
                         parseConstructor(ATypeTag.INTERVAL, objectType, out);
                         break;
                     }
-                    case AdmLexerConstants.TIME_INTERVAL_LITERAL: {
-                        parseTimeInterval(token.image.substring(2, token.image.length() - 1), out);
+                    case AdmLexerConstants.TIME_INTERVAL_CONS: {
+                        parseIntervalConstructor(objectType, out, IntervalType.TIME_INTERVAL);
                         break;
                     }
-                    case AdmLexerConstants.DATE_INTERVAL_LITERAL: {
-                        parseDateInterval(token.image.substring(2, token.image.length() - 1), out);
+                    case AdmLexerConstants.DATE_INTERVAL_CONS: {
+                        parseIntervalConstructor(objectType, out, IntervalType.DATE_INTERVAL);
                         break;
                     }
-                    case AdmLexerConstants.DATETIME_INTERVAL_LITERAL: {
-                        parseDatetimeInterval(token.image.substring(2, token.image.length() - 1), out);
+                    case AdmLexerConstants.DATETIME_INTERVAL_CONS: {
+                        parseIntervalConstructor(objectType, out, IntervalType.DATETIME_INTERVAL);
                         break;
                     }
                     case AdmLexerConstants.POINT_CONS: {
@@ -398,6 +404,35 @@
                 }
             }
 
+            private void parseIntervalConstructor(IAType objectType, DataOutput out, IntervalType intervalType)
+                    throws AsterixException {
+                try {
+                    Token token = admLexer.next();
+                    if (token.kind == AdmLexerConstants.CONSTRUCTOR_OPEN) {
+                        token = admLexer.next();
+                        if (token.kind == AdmLexerConstants.STRING_LITERAL) {
+                            switch (intervalType) {
+                                case DATE_INTERVAL:
+                                    parseDateInterval(token.image.substring(1, token.image.length() - 1), out);
+                                    break;
+                                case TIME_INTERVAL:
+                                    parseTimeInterval(token.image.substring(1, token.image.length() - 1), out);
+                                    break;
+                                case DATETIME_INTERVAL:
+                                    parseDatetimeInterval(token.image.substring(1, token.image.length() - 1), out);
+                                    break;
+                            }
+                            token = admLexer.next();
+                            if (token.kind == AdmLexerConstants.CONSTRUCTOR_CLOSE)
+                                return;
+                        }
+                    }
+                } catch (Exception e) {
+                    throw new AsterixException(e);
+                }
+                throw new AsterixException(mismatchErrorMessage + objectType.getTypeName());
+            }
+
             private void parseConstructor(ATypeTag typeTag, IAType objectType, DataOutput out) throws AsterixException {
                 try {
                     Token token = admLexer.next();
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/NtDelimitedDataTupleParserFactory.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/NtDelimitedDataTupleParserFactory.java
index cfe94ef..3cdf8b9 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/NtDelimitedDataTupleParserFactory.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/NtDelimitedDataTupleParserFactory.java
@@ -288,6 +288,7 @@
                             state = State.CR;
                             return true;
                         }
+                        // FIXME incorrect EOF check for temporal delimited file importing
                         ++p;
                     }
             }
diff --git a/asterix-runtime/src/main/javacc/nontagged/AdmLexer.jj b/asterix-runtime/src/main/javacc/nontagged/AdmLexer.jj
index b52f346..d94033d 100644
--- a/asterix-runtime/src/main/javacc/nontagged/AdmLexer.jj
+++ b/asterix-runtime/src/main/javacc/nontagged/AdmLexer.jj
@@ -202,19 +202,20 @@
 
 <DEFAULT>
 TOKEN :
-{	<DATE_INTERVAL_LITERAL : ("I") "(" <DATE_LITERAL> "," <DATE_LITERAL> ")" >
+{
+	<TIME_INTERVAL_CONS : ("tinterval")>
 }
 
 <DEFAULT>
 TOKEN :
 {
-	<TIME_INTERVAL_LITERAL : ("I") "(" <TIME_LITERAL> "," <TIME_LITERAL> ")" >
+	<DATE_INTERVAL_CONS : ("dinterval")>
 }
 
 <DEFAULT>
 TOKEN :
 {
-	<DATETIME_INTERVAL_LITERAL : ("I") "(" <DATETIME_LITERAL> "," <DATETIME_LITERAL> ")" >
+	<DATETIME_INTERVAL_CONS : ("dtinterval")>
 }
 
 <DEFAULT>