Contents

Title and Copyright Information

Send Us Your Comments

Preface

1 Introduction

REAPI Prerequisites

Definitions and Concepts

End Users (Customers and Visitors)

Sessions

Sessionful Web Applications

Sessionless Web Applications

Collecting Data

Making Recommendations

Hot Picks

Using REAPI

Sample REAPI Usage

Creating an REProxyRT Object

Starting a Session

Creating Instances of Objects

Providing Data

Getting Recommendations

Creating Recommendations

Making Recommendations

Closing a Session

Removing the REProxyRT Object

2 REAPI Supporting Classes

Ratings in OP

Location of Classes

EnumType Interfaces

CategoryMembership Interface

DataSource Interface

Filtering Interface

InterestDimension Interface

PersonalizationIndex Interface

ProfileDataBalance Interface

ProfileUsage Interface

RecommendationAttribute Interface

Sorting Interface

User Interface

Other Supporting Classes

ContentItem

DataItem

FilteringSettings

IdentificationData

Item

ItemDetailData

Recommendation

RecommendationContent

RecommendationList

TuningSettings

3 Using the Recommendation Engine Proxy

Overview

Location of Classes

Proxy Creation and Management

RE Data Collection

REProxyManager Class

Session Management

Data Collection and Management

Recommendations

Ratings in OP

Meaning of Returned Value for Recommendations

Rules and Recommendations

Method Details

addItem

addItems

closeSession

createCustomerSession

createProxy

createVisitorSession

crossSellForItemFromHotPicks

crossSellForItemsFromHotPicks

destroyAllProxies

destroyProxy

getProxy

rateItem

rateItems

recommendBottomItems

recommendCrossSellForItem

recommendCrossSellForItems

recommendFromHotPicks

recommendTopItems

removeItem

removeItems

selectFromHotPicks

setVisitorToCustomer

A REAPI Examples and Usage

REAPI Demo

REAPI Basic Usage

Create an REProxy Object

Use the Proxy

Destroy the Proxy

Destroy All Proxy Objects

Sessionful Web Application Outline

Sessionless Web Application Outline

REProxyManager Interaction with JVM

Standalone Java Applications

Servelets

Using Multiple Instances of REProxy

Initialization Fail Safe

Uninterrupted REAPI Service

Load Balancing

Extracting Individual Recommendations

Handling Multiple Currencies

Recommendation Engine Usage

Using Demographic Data

Handling Time-Based Items

B
Sample Program