Unlock instant, AI-driven research and patent intelligence for your innovation.

Time and location sensing collaborative filtering technology with high expandability

A scalable and collaborative filtering technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as poor prediction quality of collaborative filtering technology

Pending Publication Date: 2015-05-13
SHANGHAI JIAO TONG UNIV
View PDF6 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And the prediction quality of model-based collaborative filtering technology is poor
Therefore, the existing collaborative filtering technology is difficult to guarantee both the prediction quality and the prediction speed.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Time and location sensing collaborative filtering technology with high expandability
  • Time and location sensing collaborative filtering technology with high expandability
  • Time and location sensing collaborative filtering technology with high expandability

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0027] Such as figure 1 As shown, the embodiment of the present invention provides a highly scalable time- and location-aware collaborative filtering technology, including the following steps:

[0028] Step 1, calculate the average similarity between all Web services in the same AS as the target Web service and the target Web service, and then select k Web services with the highest average similarity to form a topK similar Web service set;

[0029] The target Web service refers to the Web service...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a time and location sensing collaborative filtering technology with high expandability. The technology comprises the steps that user and Web services are classified through an autonomous system (AS) which the IP addresses of the user and Web services belong to; when similar user and Web services are searched for, searching is only conducted in the user and Web services which are placed in the same AS with movable user and Web services; then prediction is carried out through the user and Web services. The expandability and the prediction precision of an algorithm are improved.

Description

technical field [0001] The invention relates to a method in the field of computer application technology, in particular to a highly scalable time- and location-aware collaborative filtering technology and system. Background technique [0002] With the rapid development of Web services and Internet technologies, more and more Web services with similar functions appear in the network. On the one hand, this phenomenon gives users more choices, on the other hand, users have to spend a lot of time and energy to find Web services that really meet their needs. Even if a Web service that meets the user's functional requirements is found, the non-functional attributes (QoS attributes) of the Web service may not necessarily be satisfied. Even if the non-functional attributes (QoS attributes) declared by the Web provider meet the user's needs, the user feels The QoS attribute value of the Web service is likely to be different from the QoS attribute value declared by the Web service pr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 黄林鹏于程远
Owner SHANGHAI JIAO TONG UNIV