diff --git a/gradle.properties b/gradle.properties
index 4ee453f2e..e29bb3685 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,4 +2,4 @@ javaVersion=17
 gradleVersion=7.6
 org.gradle.jvmargs=-Xmx4096m
 lcaacGroup=ch.kleis.lcaac
-lcaacVersion=1.7.12
+lcaacVersion=1.8.0
diff --git a/plugin/CHANGELOG.md b/plugin/CHANGELOG.md
index 899608459..176290877 100644
--- a/plugin/CHANGELOG.md
+++ b/plugin/CHANGELOG.md
@@ -4,6 +4,11 @@
 
 ## [Unreleased]
 
+## [1.8.0]
+
+- Updated dependency LCAAC core
+- Support for annotation @cached
+
 ## [1.7.12]
 
 - Adapt to latest idea build `251.*`
diff --git a/plugin/build.gradle.kts b/plugin/build.gradle.kts
index 7103b3c35..1b60cf320 100644
--- a/plugin/build.gradle.kts
+++ b/plugin/build.gradle.kts
@@ -47,7 +47,7 @@ sourceSets {
 }
 
 dependencies {
-    implementation("ch.kleis.lcaac:core:1.7.11")
+    implementation("ch.kleis.lcaac:core:1.8.0")
 
     implementation(files(layout.buildDirectory.dir("stdlib/ef3.1")) {
         builtBy("generateEmissionFactors31")
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/ActionHelper.kt b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/ActionHelper.kt
index f352f6089..2f3b5c6cc 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/ActionHelper.kt
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/ActionHelper.kt
@@ -3,10 +3,9 @@ package ch.kleis.lcaac.plugin.actions
 import ch.kleis.lcaac.core.datasource.ConnectorFactory
 import ch.kleis.lcaac.core.datasource.DefaultDataSourceOperations
 import ch.kleis.lcaac.core.datasource.csv.CsvConnectorBuilder
-import ch.kleis.lcaac.core.datasource.resilio_db.ResilioDbConnectorBuilder
 import ch.kleis.lcaac.core.lang.evaluator.EvaluationTrace
 import ch.kleis.lcaac.core.lang.evaluator.Evaluator
-import ch.kleis.lcaac.core.math.QuantityOperations
+import ch.kleis.lcaac.core.math.Operations
 import ch.kleis.lcaac.plugin.ide.config.LcaacConfigExtensions
 import ch.kleis.lcaac.plugin.language.loader.LcaFileCollector
 import ch.kleis.lcaac.plugin.language.loader.LcaLoader
@@ -14,12 +13,12 @@ import ch.kleis.lcaac.plugin.language.psi.LcaFile
 import com.intellij.openapi.application.runReadAction
 import com.intellij.openapi.progress.ProgressIndicator
 
-fun <Q> traceSystemWithIndicator(
+fun <Q, M> traceSystemWithIndicator(
     indicator: ProgressIndicator,
     file: LcaFile,
     processName: String,
     matchLabels: Map<String, String>,
-    ops: QuantityOperations<Q>,
+    ops: Operations<Q, M>,
 ): EvaluationTrace<Q> {
     indicator.isIndeterminate = true
 
@@ -42,7 +41,6 @@ fun <Q> traceSystemWithIndicator(
         symbolTable,
         listOf(
             CsvConnectorBuilder(),
-            ResilioDbConnectorBuilder(),
         )
     )
     val sourceOps = DefaultDataSourceOperations(ops, config, factory.buildConnectors())
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/csv/CsvProcessor.kt b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/csv/CsvProcessor.kt
index 50667ffb8..ed56c92cf 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/csv/CsvProcessor.kt
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/csv/CsvProcessor.kt
@@ -5,7 +5,6 @@ import ch.kleis.lcaac.core.config.LcaacConfig
 import ch.kleis.lcaac.core.datasource.ConnectorFactory
 import ch.kleis.lcaac.core.datasource.DefaultDataSourceOperations
 import ch.kleis.lcaac.core.datasource.csv.CsvConnectorBuilder
-import ch.kleis.lcaac.core.datasource.resilio_db.ResilioDbConnectorBuilder
 import ch.kleis.lcaac.core.lang.SymbolTable
 import ch.kleis.lcaac.core.lang.evaluator.Evaluator
 import ch.kleis.lcaac.core.lang.evaluator.EvaluatorException
@@ -30,7 +29,6 @@ class CsvProcessor(
         symbolTable,
         listOf(
             CsvConnectorBuilder(),
-            ResilioDbConnectorBuilder(),
         )
     )
     private val sourceOps = DefaultDataSourceOperations(ops, config, factory.buildConnectors())
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/tasks/SensitivityAnalysisTask.kt b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/tasks/SensitivityAnalysisTask.kt
index 9ef3154e8..db39883b4 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/tasks/SensitivityAnalysisTask.kt
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/actions/tasks/SensitivityAnalysisTask.kt
@@ -8,7 +8,6 @@ import ch.kleis.lcaac.core.datasource.ConnectorFactory
 import ch.kleis.lcaac.core.datasource.DataSourceOperations
 import ch.kleis.lcaac.core.datasource.DefaultDataSourceOperations
 import ch.kleis.lcaac.core.datasource.csv.CsvConnectorBuilder
-import ch.kleis.lcaac.core.datasource.resilio_db.ResilioDbConnectorBuilder
 import ch.kleis.lcaac.core.lang.SymbolTable
 import ch.kleis.lcaac.core.lang.evaluator.Evaluator
 import ch.kleis.lcaac.core.lang.evaluator.ToValue
@@ -99,7 +98,6 @@ class SensitivityAnalysisTask(
             symbolTable,
             listOf(
                 CsvConnectorBuilder(),
-                ResilioDbConnectorBuilder(),
             )
         )
         val sourceOps = DefaultDataSourceOperations(ops, config, factory.buildConnectors())
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/ide/template/ErrorHelper.kt b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/ide/template/ErrorHelper.kt
index a1e57f4b6..5be208f28 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/ide/template/ErrorHelper.kt
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/ide/template/ErrorHelper.kt
@@ -1,6 +1,5 @@
 package ch.kleis.lcaac.plugin.ide.template
 
-import ch.kleis.lcaac.plugin.psi.LcaTypes
 import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiErrorElement
 
@@ -13,8 +12,8 @@ class ErrorHelper {
                     containsAllErrors(parent, "process", "substance")
         }
 
-        fun containsAllErrors(elt: PsiErrorElement, vararg strings: String): Boolean {
-            return strings.all { elt.errorDescription.contains("LcaTokenType.${it}") }
+        private fun containsAllErrors(elt: PsiErrorElement, vararg strings: String): Boolean {
+            return strings.all { elt.errorDescription.contains(it) }
         }
     }
 
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/Lca.bnf b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/Lca.bnf
index 50fab39f4..96e5ff771 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/Lca.bnf
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/Lca.bnf
@@ -83,6 +83,8 @@
       HAT = "^"
       EQUAL = "="
       DOUBLE_QUOTE = '"'
+
+      ANNOTATION_CACHED_KEYWORD = '@cached'
   ]
 }
 
@@ -218,7 +220,7 @@ aliasForField ::= "alias_for" "=" dataExpression
     Process
  */
 
-process ::= "process" processRef
+process ::= annotation* "process" processRef
 "{" (
     params
     | labels
@@ -237,6 +239,8 @@ process ::= "process" processRef
     stubClass = "ch.kleis.lcaac.plugin.language.psi.stub.process.ProcessStub"
 }
 
+annotation ::= "@cached"
+
 labels ::= "labels" "{" labelAssignment* "}"
 labelAssignment ::= labelRef "=" STRING_LITERAL {
     implements=["ch.kleis.lcaac.plugin.language.psi.type.PsiLabelAssignment"]
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/Lca.flex b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/Lca.flex
index 9c54d7e1d..b26110467 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/Lca.flex
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/Lca.flex
@@ -98,6 +98,8 @@ CommentContent = .*
 <YYINITIAL> "between"                { return LcaTypes.BETWEEN_KEYWORD; }
 <YYINITIAL> "and"                { return LcaTypes.AND_KEYWORD; }
 
+<YYINITIAL> "@cached"                { return LcaTypes.ANNOTATION_CACHED_KEYWORD; }
+
 <YYINITIAL> "datasource"                { return LcaTypes.DATASOURCE_KEYWORD; }
 <YYINITIAL> "location"                { return LcaTypes.LOCATION_KEYWORD; }
 <YYINITIAL> "schema"                { return LcaTypes.SCHEMA_KEYWORD; }
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LanguageCompletion.kt b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LanguageCompletion.kt
index 751f2eb1d..4a1221885 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LanguageCompletion.kt
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LanguageCompletion.kt
@@ -11,8 +11,6 @@ class LanguageCompletion : CompletionContributor() {
 
 
     override fun fillCompletionVariants(parameters: CompletionParameters, result: CompletionResultSet) {
-        super.fillCompletionVariants(parameters, result)
-
         if (parameters.position.parent is PsiErrorElement) {
             val parent = parameters.position.parent as PsiErrorElement
             result.addElements(*extractKeyWordFromError(parent).toTypedArray())
@@ -21,22 +19,21 @@ class LanguageCompletion : CompletionContributor() {
 
 
     private fun extractKeyWordFromError(elt: PsiErrorElement): List<String> {
-        val grp = listOfKeywordPattern.find(elt.errorDescription)?.groupValues
-        return if (grp?.size == 2) {
-            val errors = grp[1]
-            keywordsPattern.findAll(errors)
-                .map { it.groupValues }
-                .filter { it.size >= 2 }
-                .map { it[1] }
-                .filter { it in keywordWhiteList }
-                .toList()
-        } else {
-            listOf()
-        }
+        val description = elt.errorDescription
+        val matchingSuggestions = keys.filter {
+            description.contains(it)
+        }.mapNotNull { suggestions[it] }.flatten()
+        val suggestionsToRemove = matchingSuggestions
+            .map {
+                matchingSuggestions.filter { suggestion ->
+                    it != suggestion && it.contains(suggestion) }
+            }.flatten().toSet()
+        return matchingSuggestions.minus(suggestionsToRemove)
     }
 
-    private val keywordWhiteList =
-        hashSetOf(
+
+    private val keys =
+        listOf(
             "meta", // All Blocks
             "unit", "process", "substance", "import", "package", "variables", // Root
             "name", "type", "compartment", "sub_compartment", "reference_unit", "impacts", // Substance block
@@ -50,8 +47,11 @@ class LanguageCompletion : CompletionContributor() {
             "for_each", // For each
             "sum", "lookup", "default_record" // Primitives
         )
-    private val listOfKeywordPattern = Regex("(LcaTokenType.*) expected, got")
-    private val keywordsPattern = Regex("LcaTokenType\\.([^ ,]*)(, | or |)")
+    private val suggestions: Map<String, List<String>> =
+        keys.associateWith { listOf(it) }
+            .plus(
+                "process" to listOf("process", "@cached")
+            )
 
     private fun CompletionResultSet.addElements(vararg strings: String) {
         strings.forEach { this.addElement(LookupElementBuilder.create(it)) }
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LcaSyntaxHighlighter.kt b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LcaSyntaxHighlighter.kt
index 007d2e009..ffdcec685 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LcaSyntaxHighlighter.kt
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LcaSyntaxHighlighter.kt
@@ -22,6 +22,7 @@ class LcaSyntaxHighlighter : SyntaxHighlighterBase() {
                 DefaultLanguageHighlighterColors.IDENTIFIER
             )
         )
+        val ANNOTATION_KEYS = arrayOf(createTextAttributesKey("LCA_ANNOTATION", DefaultLanguageHighlighterColors.DOC_COMMENT_TAG_VALUE))
         val EMPTY_KEYS = emptyArray<TextAttributesKey>()
         val BAD_CHARACTER_KEYS = arrayOf(createTextAttributesKey("SIMPLE_BAD_CHARACTER", BAD_CHARACTER))
         val STRING_LITERAL_KEYS =
@@ -64,6 +65,8 @@ class LcaSyntaxHighlighter : SyntaxHighlighterBase() {
 
             COMMENT_BLOCK_START, COMMENT_BLOCK_END, COMMENT_LINE, COMMENT_CONTENT -> BLOCK_COMMENT_KEYS
 
+            ANNOTATION_CACHED_KEYWORD -> ANNOTATION_KEYS
+
             else -> EMPTY_KEYS
         }
     }
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/loader/LcaMapper.kt b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/loader/LcaMapper.kt
index 6cec2ef8f..3dd7b349b 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/loader/LcaMapper.kt
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/language/loader/LcaMapper.kt
@@ -66,13 +66,24 @@ class LcaMapper<Q>(
             biosphere = biosphere,
             impacts = impacts,
         )
+        val annotations = annotations(psiProcess.annotationList)
         return EProcessTemplate(
             params,
             locals,
             body,
+            annotations,
         )
     }
 
+    private fun annotations(psiAnnotationList: List<LcaAnnotation>): Set<ProcessAnnotation> {
+        return psiAnnotationList.mapNotNull {
+            when (it.text) {
+                "@cached" -> ProcessAnnotation.CACHED
+                else -> null
+            }
+        }.toSet()
+    }
+
     private fun generateTechnoProductExchanges(
         psiProcess: PsiProcess,
         symbolTable: SymbolTable<Q>,
diff --git a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/testing/LcaTestRunner.kt b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/testing/LcaTestRunner.kt
index e568f3576..c3989da0e 100644
--- a/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/testing/LcaTestRunner.kt
+++ b/plugin/src/main/kotlin/ch/kleis/lcaac/plugin/testing/LcaTestRunner.kt
@@ -4,7 +4,6 @@ import ch.kleis.lcaac.core.assessment.ContributionAnalysisProgram
 import ch.kleis.lcaac.core.datasource.ConnectorFactory
 import ch.kleis.lcaac.core.datasource.DefaultDataSourceOperations
 import ch.kleis.lcaac.core.datasource.csv.CsvConnectorBuilder
-import ch.kleis.lcaac.core.datasource.resilio_db.ResilioDbConnectorBuilder
 import ch.kleis.lcaac.core.lang.SymbolTable
 import ch.kleis.lcaac.core.lang.evaluator.Evaluator
 import ch.kleis.lcaac.core.lang.evaluator.EvaluatorException
@@ -66,7 +65,6 @@ class LcaTestRunner(
                 symbolTable,
                 listOf(
                     CsvConnectorBuilder(),
-                    ResilioDbConnectorBuilder(),
                 )
             )
             val sourceOps = DefaultDataSourceOperations(ops, config, factory.buildConnectors())
diff --git a/plugin/src/test/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LanguageCompletionTest.kt b/plugin/src/test/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LanguageCompletionTest.kt
index 154cc45fc..7f08ed7c4 100644
--- a/plugin/src/test/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LanguageCompletionTest.kt
+++ b/plugin/src/test/kotlin/ch/kleis/lcaac/plugin/language/ide/syntax/LanguageCompletionTest.kt
@@ -28,7 +28,8 @@ class LanguageCompletionTest : LcaCompletionTestCase() {
             "unit",
             "variables",
             "test",
-            "datasource"
+            "datasource",
+            "@cached"
         )
     }
 
diff --git a/plugin/src/test/kotlin/ch/kleis/lcaac/plugin/language/loader/LcaLoaderTest.kt b/plugin/src/test/kotlin/ch/kleis/lcaac/plugin/language/loader/LcaLoaderTest.kt
index 6b0e0ef57..dc7df1cd8 100644
--- a/plugin/src/test/kotlin/ch/kleis/lcaac/plugin/language/loader/LcaLoaderTest.kt
+++ b/plugin/src/test/kotlin/ch/kleis/lcaac/plugin/language/loader/LcaLoaderTest.kt
@@ -61,6 +61,31 @@ class LcaLoaderTest : ParsingTestCase("", "lca", LcaParserDefinition()) {
         assertEquals(expected, actual)
     }
 
+    @Test
+    fun test_annotationCached() {
+        // given
+        val file = parseFile(
+            "hello", """
+                @cached
+                process p {
+                }
+            """.trimIndent()
+        ) as LcaFile
+        val parser = LcaLoader(
+            sequenceOf(file),
+            ops,
+        )
+
+        // when
+        val actual = parser.load().getTemplate("p")!!.annotations
+
+        // then
+        val expected = setOf(
+            ProcessAnnotation.CACHED
+        )
+        assertEquals(expected, actual)
+    }
+
     @Test
     fun test_impactBlockForEach() {
         // given