适用于校园网的视频推荐系统的设计与实现

doi:10.3969/j.issn.1000-436x.2013.Z2.033

Abstract

Abstract:

According to the feature of video-sharing with P2P in campus network,a video recommendation system in campus network called FP-CNVR system was designed and implemented; a novel data cleaning method based on customer segmentation was proposed; the structure of FP-tree in the process of frequent pattern mining with FP-growth algorithm was improved.Experimental results show that the novel recommendation system can provide more reliable recommended results,and also the novel data cleaning method can improve the accuracy of the recommendation results.The research may have some inspiration to related subjects in campus network.

Key words: recommendation system, data cleaning, user behavior, campus network

Xin DING,Yan MA,Jun WU. Design and implementation of a video recommendation system in campus network[J]. Journal on Communications, 2013, 34(Z2): 175-179.

用户ID	视频ID	访问时间	来访IP
12	297	1 366 594 952	2001:DB8::/32

用户ID	浏览记录
12	1 10 14 25 100 111 127 237 242 255 258 269 272 273 274 275 276 277 278 282 283 284 285 286 287 288 289 291 293 294 295 297 300 302 304 309 310 311
13	181 258 260 268 271 288 302 303 317 319 320 321 322 325 326 329 333 336 338 339 340 342 344 346 347 352

用户ID	视频浏览记录
1	v₅v₁₃v₁₄
2	v₁v₃v₇v₉
3	v₄v₈v₁₁
4	v₂v₄v₁₀
5	v₄v₅
6	v₁v₃v₅v₉
7	v₁v₃v₅v₆v₉
8	v₁v₅v₇
9	v₁v₃v₅v₉
10	v₃v₅v₇

项	条件模式基	条件FP-tree
v₅	null	null
v₁	{(v₅:4)}	{(v₅:4)}\|v₁
v₃	{(v₅:3,v₁:3),(v₅:1),(v₁:1)}	{(v₅:4,v₁:3)}\|v₃
v₉	{(v₅:3,v₁:3,v₃:3),(v₁:1,v₃:1,v₇:1)}	{(v₅:3,v₁:3,v₃:3)}\|v₉
v₇	{(v₅:1,v₁:1),(v₅:1,v₃:1),(v₁:1,v₃:1)}	{(v₅:2)}\|v₇
v₄	{(v₅:1)}	null

ID	结果
1	55 318 317 325 315 270 289 294 327 335
6	2 3 14 162 166 168 169 205 209 210
7	2 3 151 161 167 174 175 177 178 179
8	2 3 151 160 161 168 173 177 178 179
123	55 318 317 325 315 270 289 294 327 335
133	2 3 12 151 158 160 173 174 176 179
137	144 160 164 167 168 174 175 177 178 179
141	2 151 160 164 167 168 174 175 177 178

Design and implementation of a video recommendation system in campus network

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