private void LoadCluster(Clustering_Users_DAO dao,
Settings st,
ref bool existTransac,
string U_SubCategoryID,
string categoryName,
Dictionary<string, int> dic_users,
Dictionary<string, int> dic_items,
double[][] x)
{
if (x.Length > 0)
{
existTransac = true;
// Clustering Data
Cluster cluster = new Cluster();
Dictionary<int, int> clustered_Data = new Dictionary<int, int>();
cluster.addSetting(st.k, st.maxLoop, x, st.epsilon, st.Alpha, st.T, st.U_M);
clustered_Data = cluster.Clustering(st.cluster_type);
//cuong add if
//if (clustered_Data.Count > 0)
//{
// Mapping UserID to clustered Data
Dictionary<string, int> mapped_Data = map_ID_to_Index(dic_users, clustered_Data);
// Get Destination V
double[][] v = cluster.getV();
// Add new data
#region C1 - Ratting Matrix
// Add Ratting Matrix
for (int i = 0; i < x.Length; i++)
for (int j = 0; j < x[0].Length; j++)
if (x[i][j] > 0)
{
try
{
MatrixItem matrixItem = new MatrixItem();
matrixItem.ClusterID = categoryName + (mapped_Data[Util.FindKeyByValue(dic_users, i)] + 1);
matrixItem.Row = Util.FindKeyByValue(dic_users, i);
matrixItem.Column = Util.FindKeyByValue(dic_items, j);
matrixItem.Cell = x[i][j];
dao.setRattingMatrix(matrixItem);
}
catch (Exception) { }
}
#endregion
// Add to USER_CLUSTER_TBL
for (int i = 0; i < v.Length; i++)
dao.addCluster(categoryName + (i + 1), U_SubCategoryID);
// Add to PARTION_TBL
foreach (var map in mapped_Data)
{
Partion detail = new Partion();
detail.UserID = map.Key;
detail.ClusterID = categoryName + (map.Value + 1);
dao.addPARTION_TBL(detail);
}
// Add to USER_CENTROID_TBL
for (int i = 0; i < v.Length; i++)
for (int j = 0; j < v[0].Length; j++)
if (!Double.NaN.Equals(v[i][j]))
{
try
{
User_Centroid centroid = new User_Centroid();
centroid.Value = v[i][j];
centroid.ClusterID = categoryName + (i + 1);
centroid.MetaItemID = Util.FindKeyByValue(dic_items, j);
dao.add_User_Centroid(centroid);
}
catch (Exception) { }
}
}
//}//cuong add
}
private void LoadUpdateCluster(Clustering_Users_DAO dao,
Settings st,
ref bool existTransac,
List<Partion> listPartion,
string U_SubCategoryID,
string categoryName,
Dictionary<string, int> dic_users,
Dictionary<string, int> dic_items,
double[][] x)
{
if (x.Length > 0)
{
existTransac = true;
List<string> listClusterID = getListClusterID(listPartion);
// Get existed V
double[][] v = new double[listClusterID.Count][];
Cluster cl = new Cluster();
cl.addSetting(v.Length, st.maxLoop, x, 0.0001, st.Alpha, st.T, st.U_M);
Dictionary<int, int> clustered_Data;
if (listPartion.Count > 0)
{
v = get_V_ByNewItems_ReComputeAll(x, dic_items, dic_users, listPartion, listClusterID);
clustered_Data = cl.Clustering_Merge(st.cluster_type, v);
}
else
clustered_Data = cl.Clustering_Merge(st.cluster_type);
v = cl.getV();
// Mapping UserID to clustered Data
Dictionary<string, int> mapped_Data = map_ID_to_Index(dic_users, clustered_Data);
#region C1 - Ratting Matrix
// Add Ratting Matrix
for (int i = 0; i < x.Length; i++)
for (int j = 0; j < x[0].Length; j++)
if (x[i][j] > 0)
{
try
{
MatrixItem matrixItem = new MatrixItem();
matrixItem.ClusterID = categoryName + (mapped_Data[Util.FindKeyByValue(dic_users, i)] + 1);
matrixItem.Row = Util.FindKeyByValue(dic_users, i);
matrixItem.Column = Util.FindKeyByValue(dic_items, j);
matrixItem.Cell = x[i][j];
dao.setRattingMatrix(matrixItem);
}
catch (Exception) { }
}
#endregion
// Remove old USER_CLUSTER_TBL
dao.delete_USER_CLUSTER_TBL(categoryName);
// Add to USER_CLUSTER_TBL
for (int i = 0; i < v.Length; i++)
dao.addCluster(categoryName + (i + 1), U_SubCategoryID);
// Remove old PARTION_TBL
dao.delete_PARTION_TBL(categoryName);
// Add to PARTION_TBL
foreach (var map in mapped_Data)
{
Partion detail = new Partion();
detail.UserID = map.Key;
detail.ClusterID = categoryName + (map.Value + 1);
dao.addPARTION_TBL(detail);
}
// Remove old USER_CENTROID_TBL
dao.delete_USER_CENTROID_TBL(categoryName);
// Add to USER_CENTROID_TBL
for (int i = 0; i < v.Length; i++)
for (int j = 0; j < v[0].Length; j++)
if (!Double.NaN.Equals(v[i][j]))
{
try
{
User_Centroid centroid = new User_Centroid();
centroid.Value = v[i][j];
centroid.ClusterID = categoryName + (i + 1);
centroid.MetaItemID = Util.FindKeyByValue(dic_items, j);
dao.add_User_Centroid(centroid);
}
catch (Exception) { }
}
}
}
public Settings getSettings()
{
Settings st = new Settings();
try
{
List<Clustering_Setting> listCs = getListClusterSetting();
if (null != listCs && listCs.Count > 0)
foreach (var item in listCs)
{
if (item.Key.Equals(ConstantValues.CST_U_K))
{
foreach (var cs_detail in item.Values)
if (cs_detail.isDedault.Equals(true))
{
st.k = Convert.ToInt32(cs_detail.Value.Trim());
break;
}
}
//else if (item.Key.Equals(ConstantValues.CST_U_INIT_V))
//{
// foreach (var cs_detail in item.Values)
// if (cs_detail.isDedault.Equals(true))
// {
// st.U_InitV = cs_detail.Value.Trim();
// break;
// }
//}
else if (item.Key.Equals(ConstantValues.CST_U_MAX_LOOP))
{
foreach (var cs_detail in item.Values)
if (cs_detail.isDedault.Equals(true))
{
st.maxLoop = Convert.ToInt32(cs_detail.Value.Trim());
break;
}
}
else if (item.Key.Equals(ConstantValues.CST_U_TIMER))
{
foreach (var cs_detail in item.Values)
if (cs_detail.isDedault.Equals(true))
{
st.U_Timer = cs_detail.Value.Trim();
break;
}
}
else if (item.Key.Equals(ConstantValues.CST_U_CLUSTER))
{
foreach (var cs_detail in item.Values)
if (cs_detail.isDedault.Equals(true))
{
st.cluster_type = cs_detail.Value.Trim();
break;
}
}
//else if (item.Key.Equals(ConstantValues.CST_U_LOOP_UPDATE))
//{
// foreach (var cs_detail in item.Values)
// if (cs_detail.isDedault.Equals(true))
// {
// st.loopUpdate = Convert.ToInt32(cs_detail.Value.Trim());
// break;
// }
//}
else if (item.Key.Equals(ConstantValues.CST_U_T))
{
foreach (var cs_detail in item.Values)
if (cs_detail.isDedault.Equals(true))
{
try
{
st.T = Double.Parse(cs_detail.Value.Trim());
}
catch (Exception)
{
st.T = Double.Parse(cs_detail.Value.Trim(), System.Globalization.CultureInfo.InvariantCulture);
}
break;
}
}
else if (item.Key.Equals(ConstantValues.CST_U_EPSILON))
{
foreach (var cs_detail in item.Values)
if (cs_detail.isDedault.Equals(true))
{
try
{
st.epsilon = Double.Parse(cs_detail.Value.Trim());
}
catch (Exception)
{
st.epsilon = Double.Parse(cs_detail.Value.Trim(), System.Globalization.CultureInfo.InvariantCulture);
}
break;
}
}
else if (item.Key.Equals(ConstantValues.CST_U_ALPHA))
{
foreach (var cs_detail in item.Values)
if (cs_detail.isDedault.Equals(true))
{
try
{
st.Alpha = Double.Parse(cs_detail.Value.Trim());
}
catch (Exception)
{
st.Alpha = Double.Parse(cs_detail.Value.Trim(), System.Globalization.CultureInfo.InvariantCulture);
}
break;
}
}
else if (item.Key.Equals(ConstantValues.CST_U_M))
{
foreach (var cs_detail in item.Values)
if (cs_detail.isDedault.Equals(true))
{
st.U_M = Convert.ToInt32(cs_detail.Value.Trim());
break;
}
}
}
}
catch (Exception)
{
Cluster.setDefaultSettings(st.k, st.maxLoop, st.epsilon, st.Alpha, st.T, st.cluster_type);
}
return st;
}
