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Section 5-3

Section 5-3. Internet Agents. Some common types of agents. Web robots, spiders, and wanderers They move from one Web document to another by referencing the hyperlinks embedded in the Web pages. Web commerce agents

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Section 5-3

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  1. Section 5-3 Internet Agents

  2. Some common types of agents • Web robots, spiders, and wanderers • They move from one Web document to another by referencing the hyperlinks embedded in the Web pages. • Web commerce agents • They are the automated Web shoppers, bargain-hunters, and smart online buyer for comparison-shopping and automated procurement. • Worms and virus • They are malicious agents that replicate themselves in an elusive way to travel from machine to machine, network to network. • MUD agents and chatterbots • They are automatons from the world of Multi-User Dungeons or Multi-User Dimensions in cyberspace. Section 5-3：Bots and Internet Intelligent Agents

  3. What are Agents? • Agents are computer programs that simulate a human relationship, by doing something that another person could otherwise do for you. • Agents are primarily human-delegated software entities that can perform a variety of tasks for their human masters. • Personal assistants • Desktop agents • Surrogate bots • Softbots Section 5-3：Bots and Internet Intelligent Agents

  4. Types of Agents • Mobile Agent (行動代理人) • 具備有從一主機系統遷移到遠端的另一個主機系統, 並執行委派人所交付的任務的能力 • Collaborating Agent (協同代理人) • 在架構上是由數個代理人組成, 彼此間分工合作並互相交換訊息, 合力完成一項任務或工作 • Intelligent Agent (智慧型代理人) • 具有監視, 推論與解釋事件的能力, 並能從以往的經驗與需求中, 觀察並學習使用者使用習慣的能力 Section 5-3：Bots and Internet Intelligent Agents

  5. Common capability of Agents • Autonomy (自主性) • Pro-activity (自發性) • Reactivity (反應性) • Delegation (委派性) • Safety (安全性) • Temporality (暫時性) Section 5-3：Bots and Internet Intelligent Agents

  6. Advantages of Agents • 減輕網路的負載 • 資訊擷取與過濾 • 具非同步的作業功能 • 適合異質性分散式處理 • 具通訊協定的一致性 Section 5-3：Bots and Internet Intelligent Agents

  7. Applications of agent in EC • Consumer Buying Behavior model(CBB), by Guttman • Need Identification (需求確認) • Product Brokering (產品仲介) • Merchant Brokering (商家仲介) • Negotiation (交易協商) • Purchase and Delivery (購買及運送) • Service and Evaluation (服務及評估) Section 5-3：Bots and Internet Intelligent Agents

  8. Applications of agent in EC (Cont.) • Product Brokering－PersonaLogic, Firefly • Merchant Brokering－BargainFinder, Jango • Negotiation－AuctionBot • Merchant Brokering+Negotiation－TabiCan • Product Brokering+Negotiation－Kasbah • Product Brokering+Merchant Brokering+Negotiation－Tete-a-Tete Section 5-3：Bots and Internet Intelligent Agents

  9. Applications of agent in EC (Cont.) • Filtering technologies • Constraint-based Filtering (限制條件導向過濾) • Collaborative Filtering (合作過濾) • Rule-based Filtering (規則導向過濾) • Data Mining (資料挖掘) Section 5-3：Bots and Internet Intelligent Agents

  10. Applications of agent in EC (Cont.) • PersonaLogic • 屬於AOL的一個協助產品仲介的軟體代理人系統 • 輸入所需購買商品的特徵, PersonaLogic會派送許多合作代理人, 將使用者所輸入的商品特徵送至各網路商店去過濾產品資訊 • 利用Constraint-Satisfaction Engine將找到的產品依使用者的滿意度排序, 縮小使用者尋找產品的範圍, 節省購物的時間 Section 5-3：Bots and Internet Intelligent Agents

  11. Applications of agent in EC (Cont.) • Firefly • 採用合作代理人的方式過濾產品資訊, 並根據網路上消費者對某一產品的風評(word-of-mouth)來建議使用者是否購買此產品 • BargainFinder • 第一個用來做線上比價軟體代理人系統 • 當使用者下答查詢需求, 系統會至各網路商店的電子型錄中查詢某一商品的價格, 將出價最好的商家名稱/網址回報給使用者 Section 5-3：Bots and Internet Intelligent Agents

  12. Applications of agent in EC (Cont.) • Jango • 為BargainFinder的改良, 讓消費者自行由瀏覽器送出價格查詢資訊, 方便消費者比較各商家電子型錄中的商品價格. 但比價過程過於冗長 • AuctionBot • 由美國密西根大學所發展出來的商品拍賣代理人系統 • 利用一個應用程式介面讓使用者(買賣雙方)建立各自的軟體代理人, 並讓這些軟體代理人在AutionBot的電子商場中進行競價 Section 5-3：Bots and Internet Intelligent Agents

  13. 接觸 消費者 代理人 旅行社 代理人 派送 派送 消費者 監督 旅行社 商場 管理員 參考 委託 商家仲介 管理 共享資源 資料庫 其他 電子商場 系統管理員 商場所有人 Applications of agent in EC (Cont.) • TabiCan • 用以販售機票與套裝旅行的交易協商代理人系統 • 交易成員：商場主人, 旅行社, 消費者 Section 5-3：Bots and Internet Intelligent Agents

  14. Applications of agent in EC (Cont.) • Kasbah • 由美國麻省理工學院的媒體實驗室所發展出的多重代理人C2C交易系統 • 使用者必須先建立其軟體代理人, 並賦予其代理人一些買賣策略, 然後將代理人送至“軟體代理人中央商場”進行買賣議價 • 買方的代理人會對賣方的商品出價, 賣方代理人只要回應“成交”就可完成交易 • 三種議價策略：渴望(anxious), 平常心(cool-headed), 冷淡(frugal) Section 5-3：Bots and Internet Intelligent Agents

  15. Applications of agent in EC (Cont.) • Tete-a-Tete • 由美國麻省理工學院的媒體實驗室所發展出的電子商務交易代理人系統 • 買賣雙方會各自擁有一代理人, 代理人之間會就商品的交易價錢, 保證期, 售後服務, 退貨條件, 分期付款選擇, 運貨時間, 附送禮品及其他有關採購附加價值服務進行協商 • 整合議價協定包含: 賣方產品清單(proposal), 產品評論表(critique)及買方採購清單(counter-proposal) Section 5-3：Bots and Internet Intelligent Agents

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