臺灣博碩士論文加值系統

隨著科技的進步，網路的使用人口也不斷成長，瀏覽網頁已漸漸成為人們每天的例行公事。然而，網路上的資訊並非都適合所有年齡層的人們瀏覽，在網路使用者的年齡層逐漸降低的情況下，對於一些不當資訊進行適度的阻隔是必要的。台灣網際網路的普及率非常高，到處都可以連線上網，如：公司、學校、網咖、連鎖速食店等，因此在防制上也增加了許多的灰色地帶。在有限資源的環境下，該如何有效地防堵不當資訊，便是本研究所探討的議題。
本研究建置了一個具平台獨立性的過濾系統，其可輕易地與現有的Squid代理伺服器進行協同運作。系統中具有基本的網頁分析能力，可從使用記錄中找出不當資訊網頁，再藉由自動回饋的更新機制，可在不需人力介入的情況下，維持代理伺服器過濾名單的可用性。除此之外，系統可依使用者之實際需求，自行訂定相關網頁過濾條件，系統亦提供相對應的使用介面與輔助工具，可供使用者便捷地操作本系統與代理伺服器。

With advances in technology, the Internet population has grown and the website browsing has gradually become a daily routine. However, Internet information is not appropriate for all age group users. Since the average age of the Internet user has gradually decreased, resistances of the improper Internet information are necessary. Since Internet is available everywhere in Taiwan, like companies, schools, Internet cafes, and fast food restaurants, there are many grey areas at the control of improper information. Therefore, how to prevent improper information under the environment of limited resources effectively is the agenda of the research.
In this research, we will construct a platform-independence system. It can easily coordinate operation with the Squid proxy server and have the ability of webpage analysis which can find improper webpage from the record and then use the auto-feedback mechanism to keep the usability of the improper information list. In addition, users can set different webpage filtering conditions according to their actual needs and can manipulate this system easily by using the interface we provide.

摘要 I
Abstract II
目錄 III
表目錄 V
圖目錄 VI
第一章 緒論 1
1.1 網路使用現況 1
1.2 研究動機 4
1.3 研究目的 6
1.4 研究方法 7
第二章 相關研究 9
2.1 代理伺服器 9
2.2 網頁過濾方式 11
2.2.1 人工過濾 11
2.2.2 內容過濾 11
2.2.3 網站標籤 12
2.3 小結 16
第三章 系統分析與設計 17
3.1 系統概述與軟體發展模式 17
3.2 需求分析 19
3.3 系統分析 22
3.4 系統設計 28
第四章 系統實作與評估 33
4.1 系統實作介紹 33
4.2 過濾名單更新 37
4.3 網頁內容分析 39
4.4 實驗結果評估與探討 43
4.4.1 一般過濾名單實際可用情況之探討 43
4.4.2 網頁分析成效評估 45
第五章 結論 52
參考文獻 54
附錄一：正面相關字詞列表 59
附錄二：負面相關字詞列表 61

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