diff --git a/vitrivr-engine-query/src/main/kotlin/org/vitrivr/engine/query/model/api/input/InputData.kt b/vitrivr-engine-query/src/main/kotlin/org/vitrivr/engine/query/model/api/input/InputData.kt
index d149b197..342f9625 100644
--- a/vitrivr-engine-query/src/main/kotlin/org/vitrivr/engine/query/model/api/input/InputData.kt
+++ b/vitrivr-engine-query/src/main/kotlin/org/vitrivr/engine/query/model/api/input/InputData.kt
@@ -104,7 +104,7 @@ data class RetrievableIdInputData(val id: String, override val comparison: Strin
  * Cannot be converted to a [ContentElement]
  */
 @Serializable
-data class BooleanInputData(val value: Boolean, override val comparison: String? = "=="): InputData(){
+data class BooleanInputData(val data: Boolean, override val comparison: String? = "=="): InputData(){
     override val type = InputType.BOOLEAN
     override fun toContent(): ContentElement<*> {
         throw UnsupportedOperationException("Cannot derive content from BooleanInputData")
@@ -116,7 +116,7 @@ data class BooleanInputData(val value: Boolean, override val comparison: String?
  * Cannot be converted to a [ContentElement]
  */
 @Serializable
-data class NumericInputData(val value: Double, override val comparison: String? = "==") : InputData(){
+data class NumericInputData(val data: Double, override val comparison: String? = "==") : InputData(){
     override val type = InputType.NUMERIC
     override fun toContent(): ContentElement<*> {
         throw UnsupportedOperationException("Cannot derive content from NumericInputData")
@@ -128,7 +128,7 @@ data class NumericInputData(val value: Double, override val comparison: String?
  * Cannot be converted to a [ContentElement]
  */
 @Serializable
-data class DateInputData(val value: String, override val comparison: String? = "==") : InputData() {
+data class DateInputData(val data: String, override val comparison: String? = "==") : InputData() {
     override val type = InputType.DATE
     override fun toContent(): ContentElement<*> {throw UnsupportedOperationException("Cannot derive content from DateInputData")}
 
@@ -137,6 +137,6 @@ data class DateInputData(val value: String, override val comparison: String? = "
      */
     fun parseDate():Date{
         val formatter = SimpleDateFormat("YYYY-mm-dd", Locale.ENGLISH)
-        return formatter.parse(value)
+        return formatter.parse(data)
     }
 }
diff --git a/vitrivr-engine-query/src/main/kotlin/org/vitrivr/engine/query/parsing/QueryParser.kt b/vitrivr-engine-query/src/main/kotlin/org/vitrivr/engine/query/parsing/QueryParser.kt
index 4423327c..828dc844 100644
--- a/vitrivr-engine-query/src/main/kotlin/org/vitrivr/engine/query/parsing/QueryParser.kt
+++ b/vitrivr-engine-query/src/main/kotlin/org/vitrivr/engine/query/parsing/QueryParser.kt
@@ -106,16 +106,16 @@ class QueryParser(val schema: Schema) {
                         }
                         is BooleanInputData -> {
                             require(subfield.type == Type.BOOLEAN){"The given sub-field ${fieldAndAttributeName.first}.${fieldAndAttributeName.second}'s type is ${subfield.type}, which is not the expexted ${Type.BOOLEAN}"}
-                            Value.Boolean(input.value)
+                            Value.Boolean(input.data)
                         }
                         is NumericInputData -> {
                             when(subfield.type){
-                                Type.DOUBLE -> Value.Double(input.value)
-                                Type.INT -> Value.Int(input.value.toInt())
-                                Type.LONG -> Value.Long(input.value.toLong())
-                                Type.SHORT -> Value.Short(input.value.toInt().toShort())
-                                Type.BYTE -> Value.Byte(input.value.toInt().toByte())
-                                Type.FLOAT -> Value.Float(input.value.toFloat())
+                                Type.DOUBLE -> Value.Double(input.data)
+                                Type.INT -> Value.Int(input.data.toInt())
+                                Type.LONG -> Value.Long(input.data.toLong())
+                                Type.SHORT -> Value.Short(input.data.toInt().toShort())
+                                Type.BYTE -> Value.Byte(input.data.toInt().toByte())
+                                Type.FLOAT -> Value.Float(input.data.toFloat())
                                 else -> throw IllegalArgumentException("Cannot work with NumericInputData $input but non-numerical sub-field $subfield")
                             }
                         }