com.flickrrecsys.db
Class DbTagCloud

java.lang.Object
  com.flickrrecsys.db.DbTagCloud

public class DbTagCloud
extends java.lang.Object

Connecting to tag cloud

Author:

Hossein Ghodsi

Constructor Summary

DbTagCloud(java.lang.String path)
Constructor which gets the connection to the database

Method Summary

boolean	anyTagExistForAUser(java.lang.String nsid) Check if the tag and user id already exist
boolean	checkExistingComOfTagAndNsid(java.lang.String nsid, int tid) Check if the combination of user id and a tag already exists
void	delete(java.lang.String nsid) Delete tag cloud by nsid
java.util.Vector<Similarity>	getSimilaritiesUsingTFIDF(java.util.Vector<java.lang.String> userToCompare, java.lang.String nsid) pass two user to this method and get the TF-IDF value of similarity
void	insert(java.lang.String nsid, int tid, int freq) Insert tag cloud individuals

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DbTagCloud

public DbTagCloud(java.lang.String path)

Constructor which gets the connection to the database

Parameters:

path - to where the database details are

Method Detail

insert

public void insert(java.lang.String nsid,
                   int tid,
                   int freq)
            throws java.sql.SQLException,
                   java.security.NoSuchAlgorithmException,
                   java.io.UnsupportedEncodingException

Insert tag cloud individuals

Parameters:

nsid - user id from the flickr website

tid - tag id

freq - tag frequency

Throws:

java.sql.SQLException

java.security.NoSuchAlgorithmException

java.io.UnsupportedEncodingException

checkExistingComOfTagAndNsid

public boolean checkExistingComOfTagAndNsid(java.lang.String nsid,
                                            int tid)
                                     throws java.sql.SQLException

Check if the combination of user id and a tag already exists

Parameters:

nsid - user id from Flickr website

tid - tag id

Returns:

true / false

Throws:

java.sql.SQLException

getSimilaritiesUsingTFIDF

public java.util.Vector<Similarity> getSimilaritiesUsingTFIDF(java.util.Vector<java.lang.String> userToCompare,
                                                              java.lang.String nsid)
                                                       throws java.sql.SQLException

pass two user to this method and get the TF-IDF value of similarity

Parameters:

userToCompare - Vector of people be compared

nsid - user id from the Flickr website

Returns:

Vector of similarity

Throws:

java.sql.SQLException

anyTagExistForAUser

public boolean anyTagExistForAUser(java.lang.String nsid)
                            throws java.sql.SQLException

Check if the tag and user id already exist

Parameters:

nsid - user id from the flickr website

Returns:

true/false

Throws:

java.sql.SQLException

delete

public void delete(java.lang.String nsid)
            throws java.sql.SQLException

Delete tag cloud by nsid

Parameters:

nsid - user id from the flickr website

Throws:

java.sql.SQLException