1. 1 Project 3 Li Xu Brigham Young University

2. 2 Overview zProblem: schema matching yElement-level yStructure-level zExperiment Applications yCourse Schedule yFaculty Member zMethods yName Matcher yNaïve Bayesian Classifier (NB)

3. 3 Element-level Matching Target Schema Source Schema

4. 4 Experimental Methodology zApplication Data (5 schemas) zTarget Schema (1 schema) zSource Schemas (4 schemas) yTraining schemas (3 schemas) yTest schema (1 schema) zTest Number ( 20  2)

5. 5 Method 1 : NB zContent-based matcher

6. 6 Method 1 (Cont.) zTraining Phase Target Schema Source Schema

7. 7 Method 1 (Cont) zClassification Phase Source Schema

8. 8 Method 2: Name Matcher zSchema Element Names zTraining Phase start_time: start_time start start time Target Schema

9. 9 Method 2 (Cont.) zClassification Phase start_time: start_time start start time Source Schema