151 lines
5.2 KiB
JavaScript
151 lines
5.2 KiB
JavaScript
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/**
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* 🧠 Natural Language Query Processor - STATIC VERSION
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* No runtime initialization, no memory leaks, patterns pre-built at compile time
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*
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* Uses static pattern matching with 220 pre-built patterns
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*/
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import { patternMatchQuery } from './staticPatternMatcher.js';
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export class NaturalLanguageProcessor {
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constructor() {
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this.queryHistory = [];
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// Patterns are static - no initialization needed!
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}
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/**
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* No initialization needed - patterns are pre-built!
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*/
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async init() {
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// Nothing to do - patterns are compiled into the code
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return Promise.resolve();
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}
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/**
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* Process natural language query into structured Triple Intelligence query
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* @param naturalQuery The natural language query string
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* @param queryEmbedding Pre-computed embedding from Brainy (passed in to avoid circular dependency)
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*/
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async processNaturalQuery(naturalQuery, queryEmbedding) {
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// Use static pattern matcher (no async, no memory allocation!)
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const structuredQuery = patternMatchQuery(naturalQuery, queryEmbedding);
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// Step 3: Enhance with intent analysis if needed
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if (!structuredQuery.where && !structuredQuery.connected) {
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const intent = await this.analyzeIntent(naturalQuery);
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// Add metadata based on intent
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if (intent.type === 'field' && intent.extractedTerms.fields) {
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structuredQuery.where = this.buildFieldConstraints(intent.extractedTerms.fields);
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}
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}
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// Track for learning (but don't create new Brainy!)
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this.queryHistory.push({
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query: naturalQuery,
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result: structuredQuery,
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success: false // Will be updated based on user interaction
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});
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// Keep history limited to prevent memory growth
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if (this.queryHistory.length > 100) {
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this.queryHistory.shift();
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}
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return structuredQuery;
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}
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/**
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* Analyze query intent using keywords
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*/
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async analyzeIntent(query) {
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const lowerQuery = query.toLowerCase();
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// Check for field-specific keywords
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const fieldKeywords = ['where', 'filter', 'with', 'has', 'contains', 'equals', 'greater', 'less', 'between'];
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const hasFieldIntent = fieldKeywords.some(kw => lowerQuery.includes(kw));
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// Check for graph keywords
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const graphKeywords = ['related', 'connected', 'linked', 'associated', 'references'];
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const hasGraphIntent = graphKeywords.some(kw => lowerQuery.includes(kw));
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// Determine type
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let type = 'vector';
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if (hasFieldIntent && hasGraphIntent) {
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type = 'combined';
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}
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else if (hasFieldIntent) {
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type = 'field';
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}
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else if (hasGraphIntent) {
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type = 'graph';
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}
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return {
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type,
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confidence: 0.8,
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extractedTerms: {
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fields: hasFieldIntent ? this.extractFieldTerms(query) : undefined,
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relationships: hasGraphIntent ? this.extractRelationshipTerms(query) : undefined
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}
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};
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}
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/**
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* Extract field terms from query
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*/
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extractFieldTerms(query) {
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const terms = [];
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// Simple extraction of potential field names
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const words = query.split(/\s+/);
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const fieldIndicators = ['year', 'date', 'author', 'type', 'category', 'status', 'price'];
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for (const word of words) {
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if (fieldIndicators.includes(word.toLowerCase())) {
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terms.push(word.toLowerCase());
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}
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}
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return terms;
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}
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/**
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* Extract relationship terms
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*/
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extractRelationshipTerms(query) {
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const terms = [];
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const relationshipWords = ['related', 'connected', 'linked', 'references', 'cites'];
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const words = query.toLowerCase().split(/\s+/);
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for (const word of words) {
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if (relationshipWords.includes(word)) {
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terms.push(word);
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}
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}
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return terms;
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}
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/**
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* Build field constraints from extracted terms
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*/
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buildFieldConstraints(fields) {
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const constraints = {};
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// Simple mapping for common fields
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for (const field of fields) {
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// This would be enhanced with actual value extraction
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constraints[field] = { exists: true };
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}
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return constraints;
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}
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/**
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* Find similar queries from history (without using Brainy)
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*/
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findSimilarQueries(embedding) {
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// Simple similarity check against recent history
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// This is just a placeholder - real implementation would use cosine similarity
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return [];
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}
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/**
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* Adapt a previous query for new input
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*/
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adaptQuery(newQuery, previousResult) {
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return previousResult;
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}
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/**
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* Extract entities from query
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*/
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async extractEntities(query) {
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// Could use the Entity Registry here if available
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return [];
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}
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/**
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* Build query from components
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*/
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buildQuery(query, intent, entities) {
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return {
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like: query,
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limit: 10
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};
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}
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}
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//# sourceMappingURL=naturalLanguageProcessorStatic.js.map
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