@RequestMapping(value = "/", method = RequestMethod.POST)
public ModelAndView process(
@Valid RecommenderForm recommenderForm,
HttpServletRequest request,
ModelAndView mav,
BindingResult result)
throws IOException, TasteException {
if (result.hasErrors()) {
mav.setViewName("/");
return mav;
}
// 이웃은
int neighborhoodCount = recommenderForm.getNeighborhoodCount();
// 임계치
double trainingPercentage = recommenderForm.getTrainingPercentage();
// 파일로 데이터 모델 생성
DataModel dataModel =
new FileDataModel(
new File(request.getSession().getServletContext().getRealPath("resources/ua.base")));
mav.addObject("neighborhoodCount", neighborhoodCount);
mav.addObject("trainingPercentage", trainingPercentage);
// 각 알고리즘 별 평가치
mav.addObject(
"euclideanDistanceSimilarity",
recommenderService.getRecommenderScore(
dataModel,
new EuclideanDistanceSimilarity(dataModel),
neighborhoodCount,
trainingPercentage));
mav.addObject(
"pearsonCorrelationSimilarity",
recommenderService.getRecommenderScore(
dataModel,
new PearsonCorrelationSimilarity(dataModel),
neighborhoodCount,
trainingPercentage));
mav.addObject(
"logLikelihoodSimilarity",
recommenderService.getRecommenderScore(
dataModel,
new LogLikelihoodSimilarity(dataModel),
neighborhoodCount,
trainingPercentage));
mav.addObject(
"tanimotoCoefficientSimilarity",
recommenderService.getRecommenderScore(
dataModel,
new TanimotoCoefficientSimilarity(dataModel),
neighborhoodCount,
trainingPercentage));
mav.setViewName("home");
return mav;
}
/**
* Simply selects the home view to render by returning its name.
*
* @throws IOException
* @throws TasteException
*/
@RequestMapping(value = "/", method = RequestMethod.GET)
public ModelAndView home(HttpServletRequest request, ModelAndView mav)
throws TasteException, IOException {
RecommenderForm recommenderForm = new RecommenderForm();
recommenderForm.setNeighborhoodCount(3);
recommenderForm.setTrainingPercentage(0.95);
mav.addObject("recommenderForm", recommenderForm);
mav.setViewName("home");
return mav;
}
