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oldbase.cs
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oldbase.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using System.Text.Json;
using LitJson;
using System.Diagnostics;
using ShellProgressBar;
// 模拟python tqdm进度条
public static class ProgressBarExtensions
{
public static IEnumerable<T> WithProgressBar<T>(this IEnumerable<T> enumerable, string message = "Processing...")
{
var totalCount = enumerable.Count();
var processedItems = 0;
var stopwatch = Stopwatch.StartNew();
var progressBar = new ShellProgressBar.ProgressBar(totalCount, message, new ProgressBarOptions
{
ProgressCharacter = '─',
ProgressBarOnBottom = true
});
foreach (var item in enumerable)
{
yield return item;
processedItems++;
progressBar.Tick();
if (processedItems > 0)
{
var elapsed = stopwatch.Elapsed;
var estimatedTotalTime = TimeSpan.FromSeconds(elapsed.TotalSeconds / processedItems * totalCount);
var estimatedTimeRemaining = estimatedTotalTime - elapsed;
progressBar.Message =
$"{message} ({processedItems}/{totalCount}) Estimated time remaining: {estimatedTimeRemaining}";
}
}
stopwatch.Stop();
progressBar.Message = $"{message}已完成，总用时：{stopwatch.Elapsed}";
progressBar.Dispose();
}
// 读取文件版本
public static IEnumerable<JsonData> LoadFilesWithProgressBar(string[] filePaths,
string message = "Loading files...")
{
var fileDataList = new List<JsonData>();
foreach (var filePath in filePaths.WithProgressBar(message))
{
var fileData = JsonMapper.ToObject(System.IO.File.ReadAllText(filePath));
fileDataList.Add(fileData);
yield return fileData;
}
}
}
public class LinkInfo
{
public string UserID { get; set; }
public string ItemID { get; set; }
public string VoterID { get; set; }
// 其他字段...
}
public class UserIDInfo
{
// 设为double形是为了后面更好的取平均值
public int Level { get; set; }
public int Gender { get; set; }
public int Age { get; set; }
// 分享次数
public int ShareNum { get; set; }
// 被分享次数
public int BeShareNum { get; set; }
// 临时储存一阶下游
public List<string> tempNeighborList { get; set; }
public List<string> tempItemList { get; set; }
public int OneNeighborNum { get; set; }
public int OneShareNum { get; set; }
public int itemNum { get; set; }
public bool bigV { get; set; }
// 该用户分享过的用户
public Dictionary<string, List<DateTime>> Neighbor { get; set; }
public Dictionary<string, List<DateTime>> NewNeighbor { get; set; }
public Dictionary<int, Dictionary<string, double>> Ratio { get; set; }
public List<DateTime> ResponesTime { get; set; }
public HashSet<string> ItemID { get; set; }
public Dictionary<int, double> responseTimeZone { get; set; }
public Dictionary<string, double> StaticSimUsers { get; set; }
public Dictionary<string, double> SimLusers;
public Dictionary<string, double> SimLLusers { get; set; }
public Dictionary<string, double> SimFFusers { get; set; }
public Dictionary<string, int> ItemPath { get; set; }
public Dictionary<string, double> SimFusers { get; set; }
public Dictionary<int, HashSet<string>> ItemPart { get; set; }
}
public class SubmitInfo
{
public string triple_id { get; set; }
public string[] candidate_voter_list { get; set; }
// 其他字段...
}
public class ItemInfo
{
public string ShopId { get; set; }
public string BrandId { get; set; }
public string CateId { get; set; }
public string CateLevelOneId { get; set; }
// 其他字段...
}
namespace tianchi
{
internal class Program : Form
{
[STAThread]
private static void Main(string[] args)
{
var program = new Program();
program.NewSumbit();
}
private void NewSumbit()
{
var ofd = new OpenFileDialog();
ofd.Title = "分享数据";
ofd.ShowDialog();
var jsonData = JsonMapper.ToObject(System.IO.File.ReadAllText(ofd.FileName));
ofd.Title = "商品数据";
ofd.ShowDialog();
var itemjsonData = JsonMapper.ToObject(System.IO.File.ReadAllText(ofd.FileName));
ofd.Title = "用户数据";
ofd.ShowDialog();
var userjsonData = JsonMapper.ToObject(System.IO.File.ReadAllText(ofd.FileName));
ofd.Title = "测试数据";
ofd.ShowDialog();
var testjsonData = JsonMapper.ToObject(System.IO.File.ReadAllText(ofd.FileName));
SortedDictionary<DateTime, List<LinkInfo>> data = new SortedDictionary<DateTime, List<LinkInfo>>(),
data2 = new SortedDictionary<DateTime, List<LinkInfo>>();
DateTime dt;
LinkInfo lk;
int n = 0, k;
string itemid;
string id1, id2;
Dictionary<string, UserIDInfo> users = new Dictionary<string, UserIDInfo>();
Dictionary<string, ItemInfo> itemsinfo = new Dictionary<string, ItemInfo>();
var itemreceive = new Dictionary<string, Dictionary<string, HashSet<string>>>();
var
netrelation = new Dictionary<string, Dictionary<string, Dictionary<int, Dictionary<string, double>>>>();
var responseitems =
new Dictionary<string, Dictionary<string, HashSet<string>>>(); //voteid,userid,itemid
var sharerank = new Dictionary<string, Dictionary<string, double>>(); //id,item,rank
string item;
var ranks =
new Dictionary<string, Dictionary<string, SortedDictionary<DateTime, List<string>>>>();
Dictionary<string, HashSet<string>> sharenum = new Dictionary<string, HashSet<string>>(),
responseall = new Dictionary<string, HashSet<string>>();
var responsenum = new Dictionary<string, Dictionary<string, HashSet<string>>>();
var activenum = new Dictionary<string, double>();
var allNeigbors = new Dictionary<string, Dictionary<string, HashSet<string>>>();
//List<string> itemclass = new List<string>() { "BrandID", "CateID", "OneID", "ShopID" };
var sharetimes = new Dictionary<string, int>();
var activefrenq = new Dictionary<string, double>();
var userresptime = new Dictionary<string, List<DateTime>>();
Dictionary<string, Dictionary<string, SortedSet<DateTime>>> shareusers =
new Dictionary<string, Dictionary<string, SortedSet<DateTime>>>(),
responstimeAllitems = new Dictionary<string, Dictionary<string, SortedSet<DateTime>>>(),
sharetrainitem = new Dictionary<string, Dictionary<string, SortedSet<DateTime>>>();
var userclassinfo = new Dictionary<string, Dictionary<string, Dictionary<string, int>>>(); //class
var itemuserclassinfo = new Dictionary<string, Dictionary<string, HashSet<string>>>(); //class
var shareresponse = new Dictionary<string, Dictionary<string, List<double>>>();
var classtype = new Dictionary<string, string>();
var classtypeweight = new Dictionary<string, double>();
var classtypekey = new List<string>() { "Brand", "CateID", "CateOne", "Shop" };
var weight = new List<double>() { 0.1, 0.1, 0.5, 0.3 };
n = 0;
//Dictionary<string, SortedDictionary<DateTime, List<Tuple<string, string>>>> ItemAll =
// new Dictionary<string, SortedDictionary<DateTime, List<Tuple<string, string>>>>();
foreach (var xid in classtypekey)
{
classtype.Add(xid, "");
classtypeweight.Add(xid, weight[n++]);
}
n = 0;
foreach (var xid in classtype.Keys)
{
userclassinfo.Add(xid, new Dictionary<string, Dictionary<string, int>>());
itemuserclassinfo.Add(xid, new Dictionary<string, HashSet<string>>());
}
foreach (JsonData temp in userjsonData)
{
var user_id = temp[0];
//JsonData cate_id = temp[1];
//JsonData level_id = temp[2];
var level = temp[3];
//JsonData shopid = temp[4];
id1 = user_id.ToString();
users.Add(id1, new UserIDInfo());
users[id1].SimLLusers = new Dictionary<string, double>(); //记录每个用户分享回流item的次数（如果分享一次，折算为2）
users[id1].SimFFusers = new Dictionary<string, double>(); //记录是否已分享，已分享记为1；
responstimeAllitems.Add(id1, new Dictionary<string, SortedSet<DateTime>>());
responseall.Add(id1, new HashSet<string>());
shareresponse.Add(id1, new Dictionary<string, List<double>>());
sharetrainitem.Add(id1, new Dictionary<string, SortedSet<DateTime>>());
//responseclass.Add(id1, new Dictionary<string, double>());
users[id1].ItemPath = new Dictionary<string, int>();
users[id1].Level = int.Parse(level.ToString());
users[id1].Gender = int.Parse(temp[1].ToString());
users[id1].Age = int.Parse(temp[2].ToString());
users[id1].Neighbor = new Dictionary<string, List<DateTime>>();
users[id1].NewNeighbor = new Dictionary<string, List<DateTime>>();
users[id1].Ratio = new Dictionary<int, Dictionary<string, double>>();
users[id1].ResponesTime = new List<DateTime>();
users[id1].ItemID = new HashSet<string>();
users[id1].responseTimeZone = new Dictionary<int, double>();
users[id1].StaticSimUsers = new Dictionary<string, double>();
netrelation.Add(id1, new Dictionary<string, Dictionary<int, Dictionary<string, double>>>());
responseitems.Add(id1, new Dictionary<string, HashSet<string>>());
sharerank.Add(id1, new Dictionary<string, double>());
sharenum.Add(id1, new HashSet<string>());
responsenum.Add(id1, new Dictionary<string, HashSet<string>>());
activenum.Add(id1, 0);
allNeigbors.Add(id1, new Dictionary<string, HashSet<string>>());
allNeigbors[id1].Add("F", new HashSet<string>()); //一阶邻居
allNeigbors[id1].Add("L", new HashSet<string>()); //一阶邻居
allNeigbors[id1].Add("FF", new HashSet<string>()); //一阶邻居
allNeigbors[id1].Add("LF", new HashSet<string>()); //二阶邻居
allNeigbors[id1].Add("XF", new HashSet<string>()); //三阶邻居
activefrenq.Add(id1, 0);
userresptime.Add(id1, new List<DateTime>());
}
foreach (JsonData temp in itemjsonData)
{
var item_id = temp[0];
var cate_id = temp[1];
var level_id = temp[2];
var brandid = temp[3];
var shopid = temp[4];
itemid = item_id.ToString();
itemsinfo.Add(itemid, new ItemInfo());
itemsinfo[itemid].ShopId = shopid.ToString();
itemsinfo[itemid].BrandId = brandid.ToString();
itemsinfo[itemid].CateId = cate_id.ToString();
itemsinfo[itemid].CateLevelOneId = level_id.ToString();
itemreceive.Add(itemid, new Dictionary<string, HashSet<string>>());
//ItemAll.Add(itemid,new SortedDictionary<DateTime, List<Tuple<string, string>>>());
}
foreach (JsonData temp in jsonData)
{
var user_id = temp[0];
var item_id = temp[1];
var voter_id = temp[2];
var timestamp = temp[3];
lk = new LinkInfo();
id1 = lk.UserID = user_id.ToString();
item = lk.ItemID = item_id.ToString();
id2 = lk.VoterID = voter_id.ToString();
dt = DateTime.Parse(timestamp.ToString());
if (!responstimeAllitems[id2].ContainsKey(item))
responstimeAllitems[id2].Add(item, new SortedSet<DateTime>());
responstimeAllitems[id2][item].Add(dt);
if (!data.ContainsKey(dt)) data.Add(dt, new List<LinkInfo>());
data[dt].Add(lk);
//if (!ItemAll[item].ContainsKey(dt)) ItemAll[item].Add(dt, new List<Tuple<string, string>>());
//ItemAll[item][dt].Add(new Tuple<string, string>(id1, id2));
if (!ranks.ContainsKey(id1))
ranks.Add(id1, new Dictionary<string, SortedDictionary<DateTime, List<string>>>());
if (!ranks[id1].ContainsKey(item)) ranks[id1].Add(item, new SortedDictionary<DateTime, List<string>>());
if (!ranks[id1][item].ContainsKey(dt)) ranks[id1][item].Add(dt, new List<string>());
ranks[id1][item][dt].Add(id2);
sharenum[id1].Add(item);
if (!responsenum[id1].ContainsKey(id2)) responsenum[id1].Add(id2, new HashSet<string>());
responsenum[id1][id2].Add(item);
activenum[id2] += 1;
classtype["Brand"] = itemsinfo[item].BrandId;
classtype["CateID"] = itemsinfo[item].CateId;
classtype["CateOne"] = itemsinfo[item].CateLevelOneId;
classtype["Shop"] = itemsinfo[item].ShopId;
foreach (var xid in classtype.Keys)
{
if (!userclassinfo[xid].ContainsKey(id1))
userclassinfo[xid].Add(id1, new Dictionary<string, int>());
if (!userclassinfo[xid][id1].ContainsKey(classtype[xid]))
userclassinfo[xid][id1].Add(classtype[xid], 0);
userclassinfo[xid][id1][classtype[xid]]++;
if (!userclassinfo[xid].ContainsKey(id2))
userclassinfo[xid].Add(id2, new Dictionary<string, int>());
if (!userclassinfo[xid][id2].ContainsKey(classtype[xid]))
userclassinfo[xid][id2].Add(classtype[xid], 0);
userclassinfo[xid][id2][classtype[xid]]++;
if (!itemuserclassinfo[xid].ContainsKey(classtype[xid]))
itemuserclassinfo[xid].Add(classtype[xid], new HashSet<string>());
itemuserclassinfo[xid][classtype[xid]].Add(id1);
itemuserclassinfo[xid][classtype[xid]].Add(id2);
}
++n;
}
jsonData.Clear();
userjsonData.Clear();
itemjsonData.Clear();
//foreach(string id in ItemAll.Keys)
//{
// foreach(DateTime dx in ItemAll[id].Keys)
// {
// foreach(Tuple<string,string > tp in ItemAll[id][dx])
// {
// id1 = tp.Item1;id2 = tp.Item2;
// if (!users[id1].ItemPath.ContainsKey(id)) users[id1].ItemPath.Add(id, 0);
// if (!users[id2].ItemPath.ContainsKey(id))
// users[id2].ItemPath.Add(id, users[id1].ItemPath[id] + 1);
// }
// }
//}
//ItemAll.Clear();
foreach (var id in ranks.Keys)
{
double tt = 1; // ranks[id].Count;
foreach (var fid in ranks[id].Keys)
{
double ii = 1;
foreach (var d in ranks[id][fid].Keys)
{
foreach (var xid in ranks[id][fid][d])
if (!sharerank[id].ContainsKey(xid)) sharerank[id].Add(xid, 1.0 / ii / tt);
else sharerank[id][xid] += 1.0 / ii / tt;
ii += ranks[id][fid][d].Count;
}
}
}
k = 0;
Dictionary<string, Dictionary<string, HashSet<string>>> dataLF =
new Dictionary<string, Dictionary<string, HashSet<string>>>(),
dataItemLF = new Dictionary<string, Dictionary<string, HashSet<string>>>();
var items = new Dictionary<string, List<DateTime>>();
var itemusers = new Dictionary<string, HashSet<string>>();
DateTime dtmax = data.Keys.Max(), dtmin = data.Keys.Min();
foreach (var d in data.Keys)
foreach (LinkInfo llk in data[d])
{
itemid = llk.ItemID;
id1 = llk.UserID;
id2 = llk.VoterID;
userresptime[id2].Add(d);
responseall[id2].Add(itemid);
if (!sharetrainitem[id1].ContainsKey(itemid))
sharetrainitem[id1].Add(itemid, new SortedSet<DateTime>());
sharetrainitem[id1][itemid].Add(d);
if (!users[id1].Neighbor.ContainsKey(id2))
{
netrelation[id1].Add(id2, new Dictionary<int, Dictionary<string, double>>());
users[id1].Neighbor.Add(id2, new List<DateTime>());
}
for (var ii = 0; ii < 4; ++ii)
if (!netrelation[id1][id2].ContainsKey(ii))
netrelation[id1][id2].Add(ii, new Dictionary<string, double>());
if (!netrelation[id1][id2][0].ContainsKey(itemsinfo[itemid].CateLevelOneId))
netrelation[id1][id2][0].Add(itemsinfo[itemid].CateLevelOneId, 1);
else netrelation[id1][id2][0][itemsinfo[itemid].CateLevelOneId]++;
if (!netrelation[id1][id2][1].ContainsKey(itemsinfo[itemid].CateId))
netrelation[id1][id2][1].Add(itemsinfo[itemid].CateId, 1);
else netrelation[id1][id2][1][itemsinfo[itemid].CateId]++;
if (!netrelation[id1][id2][2].ContainsKey(itemsinfo[itemid].ShopId))
netrelation[id1][id2][2].Add(itemsinfo[itemid].ShopId, 1);
else netrelation[id1][id2][2][itemsinfo[itemid].ShopId]++;
if (!netrelation[id1][id2][3].ContainsKey(itemsinfo[itemid].BrandId))
netrelation[id1][id2][3].Add(itemsinfo[itemid].BrandId, 1);
else netrelation[id1][id2][3][itemsinfo[itemid].BrandId]++;
users[id1].Neighbor[id2].Add(d);
users[id2].ResponesTime.Add(d);
users[id1].ItemID.Add(llk.ItemID);
users[id2].ItemID.Add(llk.ItemID);
if (!items.ContainsKey(llk.ItemID))
items.Add(llk.ItemID, new List<DateTime>());
items[llk.ItemID].Add(d);
if (!itemusers.ContainsKey(itemid)) itemusers.Add(itemid, new HashSet<string>());
itemusers[itemid].Add(id1);
itemusers[itemid].Add(id2);
if (!itemreceive[itemid].ContainsKey(id1)) itemreceive[itemid].Add(id1, new HashSet<string>());
if ((dtmax - d).TotalDays < 30) activefrenq[id2]++;
itemreceive[itemid][id1].Add(id2);
if (!responseitems[id2].ContainsKey(id1)) responseitems[id2].Add(id1, new HashSet<string>());
if (!shareresponse[id2].ContainsKey(id1)) shareresponse[id2].Add(id1, new List<double>());
shareresponse[id2][id1].Add(Math.Exp(-0.1 * (d - sharetrainitem[id1][itemid].Min()).TotalHours));
responseitems[id2][id1].Add(itemid);
allNeigbors[id1]["F"].Add(id2);
allNeigbors[id2]["L"].Add(id1);
++k;
}
var strlist = activefrenq.Keys.ToList();
var actmax = activefrenq.Values.Max();
foreach (var iid in strlist) activefrenq[iid] = (activefrenq[iid] + 0.001) / actmax;
foreach (var iid in netrelation.Keys)
foreach (var fid in netrelation[iid].Keys)
foreach (var xid in netrelation[iid][fid].Keys)
{
var yy = netrelation[iid][fid][xid].Values.Sum();
var tmparr = new List<string>(netrelation[iid][fid][xid].Keys);
foreach (var mid in tmparr)
netrelation[iid][fid][xid][mid] = netrelation[iid][fid][xid][mid] * 1.0 / yy;
}
int k1, k2;
double sim;
foreach (var id in allNeigbors.Keys)
{
//寻找二阶邻居
foreach (var fid in allNeigbors[id]["F"])
{
allNeigbors[id]["L"].Remove(fid);
foreach (var xid in allNeigbors[fid]["F"]) allNeigbors[id]["FF"].Add(xid);
foreach (var xid in allNeigbors[fid]["L"]) allNeigbors[id]["LF"].Add(xid);
}
foreach (var fid in allNeigbors[id]["L"])
{
foreach (var xid in allNeigbors[fid]["F"]) allNeigbors[id]["LF"].Add(xid);
foreach (var xid in allNeigbors[fid]["L"]) allNeigbors[id]["LF"].Add(xid);
}
foreach (var fid in allNeigbors[id]["F"])
{
allNeigbors[id]["LF"].Remove(fid);
allNeigbors[id]["FF"].Remove(fid);
}
foreach (var fid in allNeigbors[id]["L"])
allNeigbors[id]["LF"].Remove(fid);
//寻找3阶邻居
foreach (var fid in allNeigbors[id]["FF"])
{
foreach (var xid in allNeigbors[fid]["F"]) allNeigbors[id]["XF"].Add(xid);
foreach (var xid in allNeigbors[fid]["L"]) allNeigbors[id]["XF"].Add(xid);
}
foreach (var fid in allNeigbors[id]["LF"])
{
foreach (var xid in allNeigbors[fid]["F"]) allNeigbors[id]["XF"].Add(xid);
foreach (var xid in allNeigbors[fid]["L"]) allNeigbors[id]["XF"].Add(xid);
}
foreach (var fid in allNeigbors[id]["F"])
allNeigbors[id]["XF"].Remove(fid);
foreach (var fid in allNeigbors[id]["L"])
allNeigbors[id]["XF"].Remove(fid);
foreach (var fid in allNeigbors[id]["LF"])
allNeigbors[id]["XF"].Remove(fid);
foreach (var fid in allNeigbors[id]["FF"])
allNeigbors[id]["XF"].Remove(fid);
}
//double mmr = 0, ktotal = 0;
double tsp, rsim, ritem, rresponse;
var receivedata = new Dictionary<string, HashSet<string>>();
List<SubmitInfo> submitres = new List<SubmitInfo>();
SubmitInfo subtemp;
var ppr = new System.IO.StreamWriter("testres.txt");
var itemreceived = new Dictionary<string, Dictionary<DateTime, HashSet<string>>>();
var shareitems = new Dictionary<string, Dictionary<string, List<DateTime>>>();
var sharedetails = new Dictionary<string, Dictionary<string, List<DateTime>>>();
var shareIDs = new Dictionary<string, Dictionary<string, List<DateTime>>>();
var lastshare = new Dictionary<string, DateTime>();
var shareNumber = new Dictionary<string, Dictionary<string, int>>();
var IDTest = new HashSet<string>();
foreach (JsonData testdata in testjsonData)
{
id1 = testdata[1].ToString();
itemid = testdata[2].ToString();
var testdate = DateTime.Parse(testdata[3].ToString());
if (!shareitems.ContainsKey(id1)) shareitems.Add(id1, new Dictionary<string, List<DateTime>>());
if (!shareitems[id1].ContainsKey(itemid)) shareitems[id1].Add(itemid, new List<DateTime>());
shareitems[id1][itemid].Add(testdate);
IDTest.Add(id1);
if (!shareIDs.ContainsKey(itemid))
{
shareIDs.Add(itemid, new Dictionary<string, List<DateTime>>());
shareNumber.Add(itemid, new Dictionary<string, int>());
}
if (!shareIDs[itemid].ContainsKey(id1))
{
shareIDs[itemid].Add(id1, new List<DateTime>());
shareNumber[itemid].Add(id1, 0);
}
shareIDs[itemid][id1].Add(testdate);
shareNumber[itemid][id1]++;
if (!lastshare.ContainsKey(itemid)) lastshare.Add(itemid, testdate);
else lastshare[itemid] = testdate;
if (!sharetimes.ContainsKey(itemid)) sharetimes.Add(itemid, 1);
else sharetimes[itemid]++;
if (!shareusers.ContainsKey(itemid))
shareusers.Add(itemid, new Dictionary<string, SortedSet<DateTime>>());
if (!shareusers[itemid].ContainsKey(id1))
shareusers[itemid].Add(id1, new SortedSet<DateTime>());
shareusers[itemid][id1].Add(testdate);
if (!sharedetails.ContainsKey(itemid))
sharedetails.Add(itemid, new Dictionary<string, List<DateTime>>());
if (!sharedetails[itemid].ContainsKey(id1)) sharedetails[itemid].Add(id1, new List<DateTime>());
sharedetails[itemid][id1].Add(testdate);
}
Dictionary<string, double> userfreq = new Dictionary<string, double>(),
usertimes = new Dictionary<string, double>();
foreach (var iid in users.Keys)
{
if (userresptime[iid].Count > 0)
userfreq.Add(iid, (dtmax - userresptime[iid].Max()).TotalDays);
else userfreq.Add(iid, (dtmax - dtmin).TotalDays);
usertimes.Add(iid, 0);
foreach (var dx in userresptime[iid])
if ((dtmax - dx).TotalDays < 30)
usertimes[iid]++;
var catenum = new Dictionary<int, Dictionary<string, int>>();
for (var ii = 0; ii < 4; ++ii)
{
catenum.Add(ii, new Dictionary<string, int>());
users[iid].Ratio.Add(ii, new Dictionary<string, double>());
}
foreach (string fid in users[iid].ItemID)
{
if (!catenum[0].ContainsKey(itemsinfo[fid].CateLevelOneId))
catenum[0].Add(itemsinfo[fid].CateLevelOneId, 1);
else catenum[0][itemsinfo[fid].CateLevelOneId]++;
if (!catenum[1].ContainsKey(itemsinfo[fid].CateId))
catenum[1].Add(itemsinfo[fid].CateId, 1);
else catenum[1][itemsinfo[fid].CateId]++;
if (!catenum[2].ContainsKey(itemsinfo[fid].ShopId))
catenum[2].Add(itemsinfo[fid].ShopId, 1);
else catenum[2][itemsinfo[fid].ShopId]++;
if (!catenum[3].ContainsKey(itemsinfo[fid].BrandId))
catenum[3].Add(itemsinfo[fid].BrandId, 1);
else catenum[3][itemsinfo[fid].BrandId]++;
}
double tt; // = catenum.Values.Sum();
for (var ii = 0; ii < 4; ++ii)
{
tt = catenum[ii].Values.Sum();
foreach (var xx in catenum[ii].Keys) users[iid].Ratio[ii].Add(xx, catenum[ii][xx] * 1.0 / tt);
}
}
double freqmax = userfreq.Values.Max(), timesmax = usertimes.Values.Max();
foreach (var iid in users.Keys)
{
userfreq[iid] /= freqmax;
usertimes[iid] /= timesmax;
}
int kx = 0, kn = users.Count;
var SimNeigbor = new Dictionary<string, Dictionary<string, double>>();
var SingleDt = new Dictionary<string, double>();
var NTemp = new HashSet<string>();
foreach (var iid in IDTest)
{
if (++kx % 100 == 0) Text = kx.ToString() + " " + kn.ToString();
Application.DoEvents();
users[iid].SimLusers = new Dictionary<string, double>();
users[iid].SimFusers = new Dictionary<string, double>();
var simUser = new SortedDictionary<double, List<string>>();
//找用户
var backusers = new HashSet<string>();
foreach (string itemiid in users[iid].ItemID)
foreach (var zid in itemusers[itemiid])
backusers.Add(zid);
//double ky1 = users[iid].SimLLusers.Values.Sum();
foreach (var fid in backusers)
{
if (fid == iid) continue;
NTemp = users[iid].ItemID.Intersect(users[fid].ItemID).ToHashSet();
k2 = NTemp.Count();
if (k2 == 0) continue;
int k21 = 0, k22 = 0;
if (allNeigbors[iid].ContainsKey("F"))
k21 = NTemp.Intersect(allNeigbors[iid]["F"]).Count();
if (allNeigbors[iid].ContainsKey("L"))
k22 = NTemp.Intersect(allNeigbors[iid]["L"]).Count();
k1 = users[iid].ItemID.Union(users[fid].ItemID).Count();
sim = -(k21 * 1.2 + k22 * 0.2 + (k2 - k21 - k22) * 0.1) / k1 * (1 - 0.5 / Math.Sqrt(k1));
double edt = 0;
if (users[iid].Neighbor.ContainsKey(fid))
{
// foreach (DateTime dx in users[iid].Neighbor[fid]) edt += Math.Exp(-0.05*(dtmax - dx).TotalDays);
//if (!SingleDt.ContainsKey(fid))
//{
// foreach (DateTime dx in userresptime[fid])
// {
// mdt += Math.Exp(-0.05 * (dtmax - dx).TotalDays);
// }
//}
//else mdt = SingleDt[fid];
k1 = sharenum[iid].Count;
k2 = responsenum[iid][fid].Count;
if (!SimNeigbor.ContainsKey(iid)) SimNeigbor.Add(iid, new Dictionary<string, double>());
var sk = k2 * 1.0 / k1 * (1 - 0.5 / Math.Sqrt(k1));
SimNeigbor[iid].Add(fid, sk);
}
if (!simUser.ContainsKey(sim)) simUser.Add(sim, new List<string>());
simUser[sim].Add(fid);
}
foreach (var dd in simUser.Keys)
foreach (var fid in simUser[dd])
users[iid].SimLusers.Add(fid, -dd);
}
var diffnum = new Dictionary<int, int>();
var candNum = 6;
var AddNum = new Dictionary<string, Dictionary<string, int>>();
for (var ii = 0; ii < candNum; ++ii) diffnum.Add(ii, 0);
var subnew = new Dictionary<string, List<string>>();
Dictionary<string, Dictionary<string, HashSet<string>>> haveadded =
new Dictionary<string, Dictionary<string, HashSet<string>>>(),
backadded = new Dictionary<string, Dictionary<string, HashSet<string>>>();
var AddedNumber = new Dictionary<string, Dictionary<string, int>>();
k = 0;
var usersClassNum = new Dictionary<string, Dictionary<string, int>>();
foreach (var xid in classtype.Keys)
{
usersClassNum.Add(xid, new Dictionary<string, int>());
foreach (var id in userclassinfo[xid].Keys)
usersClassNum[xid].Add(id, userclassinfo[xid][id].Values.Sum());
}
var ch = 0;
var boolusers = new HashSet<string>();
data.Clear();
foreach (JsonData testdata in testjsonData)
{
if (++ch % 100 == 0) Text = ch.ToString();
Application.DoEvents();
var res = new List<string>();
LinkInfo linfo = new LinkInfo();
id1 = linfo.UserID = testdata[1].ToString();
itemid = linfo.ItemID = testdata[2].ToString();
var testdate = DateTime.Parse(testdata[3].ToString());
if (!AddNum.ContainsKey(id1)) AddNum.Add(id1, new Dictionary<string, int>());
if (!AddNum[id1].ContainsKey(itemid)) AddNum[id1].Add(itemid, 1);
else AddNum[id1][itemid]++;
if (!receivedata.ContainsKey(itemid)) receivedata.Add(itemid, new HashSet<string>());
if (!users.ContainsKey(id1)) continue;
//if (!itemreceived.ContainsKey(itemid)) itemreceived.Add(itemid, new Dictionary<DateTime, HashSet<string>>());
//if (!itemreceived[itemid].ContainsKey(testdate.Date)) itemreceived[itemid].Add(testdate.Date, new HashSet<string>());
SortedDictionary<double, List<string>> scor = new SortedDictionary<double, List<string>>(),
scorF = new SortedDictionary<double, List<string>>(),
scorFF = new SortedDictionary<double, List<string>>(),
scorL = new SortedDictionary<double, List<string>>(),
scorX = new SortedDictionary<double, List<string>>(),
scorXF = new SortedDictionary<double, List<string>>(),
scorT1 = new SortedDictionary<double, List<string>>(),
scorT2 = new SortedDictionary<double, List<string>>(),
scorT3 = new SortedDictionary<double, List<string>>();
var att = AddNum[id1][itemid] / 5;
if (AddNum[id1][itemid] % 5 == 0) att = att * 5;
else att = att * 5 + 5;
if (users[id1].SimLusers.Count < Math.Max(5, att) && !boolusers.Contains(id1))
{
boolusers.Add(id1);
{
//if (++k % 100 == 0) this.Text = k.ToString() + " / " + IDTest.Count.ToString();
Application.DoEvents();
var backuser = new Dictionary<string, Dictionary<string, double>>();
foreach (var mid in classtype.Keys)
{
var backtmp = new HashSet<string>();
//backuser.Add(mid, new Dictionary<string, double>());
foreach (var xid in userclassinfo[mid][id1].Keys)
foreach (var fid in itemuserclassinfo[mid][xid])
backtmp.Add(fid);
backtmp = new HashSet<string>(backtmp.Except(users[id1].SimLusers.Keys));
backtmp.Remove(id1);
foreach (var fid in backtmp)
{
if (!backuser.ContainsKey(fid)) backuser.Add(fid, new Dictionary<string, double>());
k2 = userclassinfo[mid][id1].Keys.Intersect(userclassinfo[mid][fid].Keys).Count();
if (k2 == 0) continue;
k1 = userclassinfo[mid][id1].Keys.Union(userclassinfo[mid][fid].Keys).Count();
sim = k2 * 1.0 / k1 * (1 - 0.5 / Math.Sqrt(k1));
backuser[fid].Add(mid, sim);
}
}
foreach (var fid in backuser.Keys)
{
double w = 0;
foreach (var mid in backuser[fid].Keys) w += backuser[fid][mid] * classtypeweight[mid];
users[id1].SimFusers.Add(fid, w);
}
}
}
foreach (string fid in users[id1].SimLusers.Keys)
{
//对每一个相似用户
double r = 0, sir = 1, fir = 1, kir = 0, expN = 0.1;
if (dataLF.ContainsKey(id1) && dataLF[id1].ContainsKey(fid))
foreach (var ssitem in dataLF[id1][fid])
if (dataItemLF.ContainsKey(fid) && dataItemLF[fid].ContainsKey(ssitem))
kir += dataItemLF[fid][ssitem].Count; //每一个项目，邻居的二次转发
//kir = kir / dataLF[id1][fid].Count;
kir = Math.Exp(0.01 * kir);
if (users[fid].Ratio[0].ContainsKey(itemsinfo[itemid].CateLevelOneId))
sir *= 1 + 6 * users[fid].Ratio[0][itemsinfo[itemid].CateLevelOneId];
// else sir *= 0.000001;
if (users[fid].Ratio[1].ContainsKey(itemsinfo[itemid].CateId))
sir *= 1 + 1 * users[fid].Ratio[1][itemsinfo[itemid].CateId];
// else sir *= 0.000001;
if (users[fid].Ratio[2].ContainsKey(itemsinfo[itemid].ShopId))
sir *= 1 + 2 * users[fid].Ratio[2][itemsinfo[itemid].ShopId];
// else sir *= 0.000001;
if (users[fid].Ratio[3].ContainsKey(itemsinfo[itemid].BrandId))
sir *= 1 + users[fid].Ratio[3][itemsinfo[itemid].BrandId];
// else sir *= 0.000001;
rsim = 0;
rresponse = 1;
double rneighbor = 0, resneigbor = 0, rkdt = 0;
if (netrelation[id1].ContainsKey(fid))
{
if (netrelation[id1][fid][0].ContainsKey(itemsinfo[itemid].CateLevelOneId))
fir *= 1 + 5 * netrelation[id1][fid][0][itemsinfo[itemid].CateLevelOneId];
// else sir *= 0.000001;
if (netrelation[id1][fid][1].ContainsKey(itemsinfo[itemid].CateId))
fir *= 1 + 1 * netrelation[id1][fid][1][itemsinfo[itemid].CateId];
// else sir *= 0.000001;
if (netrelation[id1][fid][2].ContainsKey(itemsinfo[itemid].ShopId))
fir *= 1 + 2 * netrelation[id1][fid][2][itemsinfo[itemid].ShopId];
// else sir *= 0.000001;
if (netrelation[id1][fid][3].ContainsKey(itemsinfo[itemid].BrandId))
fir *= 1 + netrelation[id1][fid][3][itemsinfo[itemid].BrandId];
}
if (users[id1].Neighbor.ContainsKey(fid))
{
int kk1 = users[id1].Neighbor[fid].Count, kk2 = users[fid].ResponesTime.Count;
rneighbor = 1.0 * kk1 / kk2 * (1 - 0.5 / Math.Sqrt(kk2));
kk1 = responsenum[id1][fid].Count;
kk2 = responseall[fid].Count;
resneigbor = 1.0 * kk1 / kk2 * (1 - 0.5 / Math.Sqrt(kk2));
rkdt = Math.Exp((users[id1].Neighbor[fid].Count - kk1) / kk1);
// rneighbor = Math.Exp(kk1 * 1.0 / kk2);
foreach (DateTime it in users[id1].Neighbor[fid])
{
tsp = (testdate - it).TotalDays;
rsim += Math.Exp(-0.02 * tsp);
}
rresponse = (testdate - users[id1].Neighbor[fid].Max()).TotalDays;
}
else if (users[fid].Neighbor.ContainsKey(id1))
{
int kk1 = users[fid].Neighbor[id1].Count, kk2 = users[id1].ResponesTime.Count;
rneighbor = 1.0 * kk1 / kk2 * (1 - 0.5 / Math.Sqrt(kk2));
kk1 = responsenum[fid][id1].Count;
kk2 = responseall[id1].Count;
resneigbor = 1.0 * kk1 / kk2 * (1 - 0.5 / Math.Sqrt(kk2));
foreach (DateTime it in users[fid].Neighbor[id1])
{
tsp = (testdate - it).TotalDays;
rsim += Math.Exp(-0.10 * tsp);
}
}
ritem = 0;
foreach (DateTime it in users[fid].ResponesTime)
{
tsp = (testdate - it).TotalDays;
ritem += Math.Exp(-0.06 * tsp);
}
r = sir * ritem * users[id1].SimLusers[fid] * users[fid].Level *
0.1; // *timeratio* (1 - Math.Exp(-0.1 * rresponse));
r = r * fir * kir;
if (sharerank[id1].ContainsKey(fid)) r *= sharerank[id1][fid];
else r *= 0.000000001;
r *= Math.Exp(-2 * userfreq[fid]) * Math.Exp(2 * usertimes[fid]);
//r *= Math.Exp(1.0 / responseitems[fid].Count) * Math.Log(users[fid].ResponesTime.Count + 1);
//if (users[id1].StaticSimUsers.ContainsKey(fid)) r *= Math.Exp(0.1 * users[id1].StaticSimUsers[fid]);//按圈层加权
if (allNeigbors[id1]["F"].Contains(fid))
{
double u1 = responsenum[id1][fid].Count, u2 = 0;
//if (responsenum[fid].ContainsKey(id1)) u2 = responsenum[fid][id1].Count;
r *= rsim * resneigbor * rkdt; // *shareresponse[fid][id1].Average();
r *= Math.Exp(1.0 / responseitems[fid].Count);
if (!scorF.ContainsKey(-r)) scorF.Add(-r, new List<string>());
scorF[-r].Add(fid);
}
else if (allNeigbors[id1]["L"].Contains(fid))
{
r *= rsim * resneigbor;
r *= Math.Exp(expN * responseitems[fid].Count);
if (!scorL.ContainsKey(-r)) scorL.Add(-r, new List<string>());
scorL[-r].Add(fid);
}
else if (allNeigbors[id1]["FF"].Contains(fid) || allNeigbors[id1]["LF"].Contains(fid))
{
//rsim=0
r *= Math.Exp(expN * responseitems[fid].Count);
if (!scorX.ContainsKey(-r)) scorX.Add(-r, new List<string>());
scorX[-r].Add(fid);
}
else if (allNeigbors[id1]["XF"].Contains(fid))
{
//rsim=0
r *= Math.Exp(expN * responseitems[fid].Count);
if (!scorXF.ContainsKey(-r)) scorXF.Add(-r, new List<string>());
scorXF[-r].Add(fid);
}
else
{
//rsim=0
r *= Math.Exp(expN * responseitems[fid].Count);
if (!scor.ContainsKey(-r)) scor.Add(-r, new List<string>());
scor[-r].Add(fid);
}
}
foreach (string fid in users[id1].SimFusers.Keys)
{
//对每一个相似用户
double r = 0, sir = 1, fir = 1, kir = 0, expN = 0.1;
if (dataLF.ContainsKey(id1) && dataLF[id1].ContainsKey(fid))
foreach (var ssitem in dataLF[id1][fid])
if (dataItemLF.ContainsKey(fid) && dataItemLF[fid].ContainsKey(ssitem))
kir += dataItemLF[fid][ssitem].Count; //每一个项目，邻居的二次转发
//kir = kir / dataLF[id1][fid].Count;
kir = Math.Exp(0.001 * kir);
if (users[fid].Ratio[0].ContainsKey(itemsinfo[itemid].CateLevelOneId))
sir *= 1 + 6 * users[fid].Ratio[0][itemsinfo[itemid].CateLevelOneId];
// else sir *= 0.000001;
if (users[fid].Ratio[1].ContainsKey(itemsinfo[itemid].CateId))
sir *= 1 + users[fid].Ratio[1][itemsinfo[itemid].CateId];
// else sir *= 0.000001;
if (users[fid].Ratio[2].ContainsKey(itemsinfo[itemid].ShopId))
sir *= 1 + 2 * users[fid].Ratio[2][itemsinfo[itemid].ShopId];
// else sir *= 0.000001;
if (users[fid].Ratio[3].ContainsKey(itemsinfo[itemid].BrandId))
sir *= 1 + users[fid].Ratio[3][itemsinfo[itemid].BrandId];
// else sir *= 0.000001;
rsim = 0;
rresponse = 1;
if (netrelation[id1].ContainsKey(fid))
{
if (netrelation[id1][fid][0].ContainsKey(itemsinfo[itemid].CateLevelOneId))
fir *= 1 + 5 * netrelation[id1][fid][0][itemsinfo[itemid].CateLevelOneId];
// else sir *= 0.000001;
if (netrelation[id1][fid][1].ContainsKey(itemsinfo[itemid].CateId))
fir *= 1 + netrelation[id1][fid][1][itemsinfo[itemid].CateId];
// else sir *= 0.000001;
if (netrelation[id1][fid][2].ContainsKey(itemsinfo[itemid].ShopId))
fir *= 1 + 2 * netrelation[id1][fid][2][itemsinfo[itemid].ShopId];
// else sir *= 0.000001;
if (netrelation[id1][fid][3].ContainsKey(itemsinfo[itemid].BrandId))
fir *= 1 + netrelation[id1][fid][3][itemsinfo[itemid].BrandId];
}
ritem = 0;
foreach (DateTime it in users[fid].ResponesTime)
{
tsp = (testdate - it).TotalDays;
ritem += Math.Exp(-0.06 * tsp);
}
r = sir * ritem * users[id1].SimFusers[fid] * users[fid].Level *
0.1; // *timeratio* (1 - Math.Exp(-0.1 * rresponse));
r = r * fir * kir;
r *= Math.Exp(-2 * userfreq[fid]) * Math.Exp(2 * usertimes[fid]);
r *= Math.Exp(expN * responseitems[fid].Count);
if (allNeigbors[id1]["LF"].Contains(fid) || allNeigbors[id1]["FF"].Contains(fid))
{
//rsim=0
if (!scorT1.ContainsKey(-r)) scorT1.Add(-r, new List<string>());
scorT1[-r].Add(fid);
}
else if (allNeigbors[id1]["XF"].Contains(fid))
{
//rsim=0
if (!scorT2.ContainsKey(-r)) scorT2.Add(-r, new List<string>());
scorT2[-r].Add(fid);
}
else
{
//rsim=0
if (!scorT3.ContainsKey(-r)) scorT3.Add(-r, new List<string>());
scorT3[-r].Add(fid);
}
}
kx = -1;
var wrt = id1 + "\t" + allNeigbors[id1]["F"].Count.ToString() + "\t" +
shareitems[id1][itemid].Count
.ToString(); // itemid + "\t" +(++rec).ToString()+"\t"+ shareitems[id1][itemid].Count.ToString() ;
if (!AddedNumber.ContainsKey(itemid)) AddedNumber.Add(itemid, new Dictionary<string, int>());
if (!AddedNumber[itemid].ContainsKey(id1)) AddedNumber[itemid].Add(id1, 0);
AddedNumber[itemid][id1]++;
foreach (var xx in scorF.Keys)
{
foreach (var yid in scorF[xx])
{
if (itemreceive[itemid].ContainsKey(id1) && itemreceive[itemid][id1].Contains(yid))
continue; //同一item，同一分享用户，回流的用户只会回流一次（train）
if (responseitems[yid].ContainsKey(id1) && responseitems[yid][id1].Contains(itemid)) continue;
//if (responsenum.ContainsKey(id1) && responsenum[id1].ContainsKey(yid) && responsenum[id1][yid].Contains(itemid)) continue;
//if (responsenum.ContainsKey(yid) && responsenum[yid].ContainsKey(id1) && responsenum[yid][id1].Contains(itemid)) continue;
if (haveadded.ContainsKey(itemid) && haveadded[itemid].ContainsKey(id1) &&
haveadded[itemid][id1].Contains(yid)) continue;
//if (users[id1].NewNeighbor.ContainsKey(yid) && (d - users[id1].NewNeighbor[yid].Max()).TotalDays < 1) continue;
if (res.Count < candNum)
res.Add(yid);
else break;
}
if (res.Count == candNum) break;
}
if (res.Count < candNum)
foreach (var xx in scorL.Keys)
{
foreach (var yid in scorL[xx])
{
if (itemreceive[itemid].ContainsKey(id1) && itemreceive[itemid][id1].Contains(yid))
continue; //同一item，同一分享用户，回流的用户只会回流一次（train）
//if (responsenum.ContainsKey(id1) && responsenum[id1].ContainsKey(yid) && responsenum[id1][yid].Contains(itemid)) continue;
//if (responsenum.ContainsKey(yid) && responsenum[yid].ContainsKey(id1) && responsenum[yid][id1].Contains(itemid)) continue;
if (responseitems[yid].ContainsKey(id1) && responseitems[yid][id1].Contains(itemid))
continue;
if (haveadded.ContainsKey(itemid) && haveadded[itemid].ContainsKey(id1) &&
haveadded[itemid][id1].Contains(yid)) continue;
if (res.Count < candNum)
res.Add(yid);
else break;
}
if (res.Count == candNum) break;
}