diff --git a/packages/core/src/backend/data-source/queries.ts b/packages/core/src/backend/data-source/queries.ts
index a0bf9ee..1763508 100644
--- a/packages/core/src/backend/data-source/queries.ts
+++ b/packages/core/src/backend/data-source/queries.ts
@@ -27,27 +27,47 @@ export interface DataSourceQueryAndGrouping {
 	expressions: DataSourceQueryOrGrouping[];
 }
 
-export const COERCE_VALUES_TYPES = [
-	'number',
-	'string',
-	'boolean',
-] as const;
+interface ProcessEntryBase {
+	type: string;
+}
+
+export interface ProcessEntryString extends ProcessEntryBase {
+	type: 'string';
+	startsWith?: boolean;
+	endsWith?: boolean;
+	caseInsensitive?: boolean;
+	includes?: boolean;
+}
+
+export interface ProcessEntryNumber extends ProcessEntryBase {
+	type: 'number';
+}
 
-export type CoerceValuesType = typeof COERCE_VALUES_TYPES[number];
+export interface ProcessEntryBoolean extends ProcessEntryBase {
+	type: 'boolean';
+	truthyStrings?: string[];
+}
 
-type CoerceValues = Partial<Record<CoerceValuesType, string[]>>;
+export type ProcessEntry = ProcessEntryString | ProcessEntryNumber | ProcessEntryBoolean;
 
 interface ConvertToDataSourceQueryCollectionOptions {
-	coerceValues: CoerceValues;
+	processEntries: Record<string, ProcessEntry>;
+	//coerceValues: CoerceValues;
+	//stringSearch: StringSearch;
 }
 
-const normalizeRhs = (lhs: string, rhs: string, coerceValues: CoerceValues) => {
-	if (coerceValues?.number?.includes(lhs)) {
+const normalizeRhs = (rhs: string, coerceValues?: ProcessEntry) => {
+	if (coerceValues?.type === 'number') {
 		return Number(rhs);
 	}
 
-	if (coerceValues?.boolean?.includes(lhs)) {
-		return rhs.trim().toLowerCase() === 'true';
+	if (coerceValues?.type === 'boolean') {
+		const truthyStrings = [
+			...(coerceValues.truthyStrings ?? []).map((s) => s.trim().toLowerCase()),
+			'true',
+		];
+
+		return truthyStrings.includes(rhs);
 	}
 
 	return rhs?.toString() ?? '';
@@ -67,7 +87,7 @@ export const convertToDataSourceQueryCollection = (
 					expressions: [],
 				};
 			const existingLhs = existingOr.expressions.find((ex) => ex.lhs === key);
-			const rhs = normalizeRhs(key, value, options.coerceValues);
+			const rhs = normalizeRhs(value, options.processEntries?.[key]);
 
 			if (typeof existingLhs === 'undefined') {
 				return {
@@ -115,3 +135,5 @@ export const convertToDataSourceQueryCollection = (
 
 	// all the queries are to be treated as "AND", as suggested by the & character to separate the query param entries
 };
+
+// TODO add more operators
diff --git a/packages/core/test/features/query.test.ts b/packages/core/test/features/query.test.ts
index c0f26a7..1281595 100644
--- a/packages/core/test/features/query.test.ts
+++ b/packages/core/test/features/query.test.ts
@@ -16,8 +16,10 @@ describe('query', () => {
 		const collection = convertToDataSourceQueryCollection(
 			q,
 			{
-				coerceValues: {
-					number: ['attr'],
+				processEntries: {
+					attr: {
+						type: 'number'
+					}
 				},
 			},
 		);
@@ -58,8 +60,13 @@ describe('query', () => {
 		const collection = convertToDataSourceQueryCollection(
 			q,
 			{
-				coerceValues: {
-					boolean: ['attr', 'attr2'],
+				processEntries: {
+					attr: {
+						type: 'boolean',
+					},
+					attr2: {
+						type: 'boolean',
+					}
 				},
 			},
 		);