Users who have seen item A also have seen item B. Are the items in relation each other? A recommendation system has the aim to build different items to get relations available for the others users.
In this article I’m going to speak about how build relations using a Open-source solution named Easyrec.
Continue reading “Recommendation using Easyrec”
Software as a service (Saas), Infrastructure as a service (Iaas) and Platform as a service (Paas) are used very often in different context for describing different technologies services in modern information technology.
Let me make some order about these definition using about the products available on the software market.
Continue reading “Saas, Iaas and Paas – clear up the ideas”
A little guide to illustrate how to use two common content Cache system. The first comes from the portlet system while the last, ehcache, is used in many different system.
We’ll see the used of them in a Liferay Portlet.
Continue reading “Portlet Cache – Expired cache and EhCache”
In the previous article of this serie we’ve taken a look at the service layer of Warehouse portlet using EclipseLink Jpa implementation.
Now it’s time to go on and see the Spring Jpa controller and the anatomy of portlet.
Continue reading “Liferay Jpa Portlet – Part 2”
A typical issue in liferay is a portlet which is able to show data at one portal site. In this article I’d like to illustrate an easy portlet that manage an hardware warehouse.
I used Spring framework and eclipseLink implementation of Jpa. I found out them a very useful combination that work fine togheter.
Continue reading “Liferay Jpa Portlet”