多節點圖形AI框架 教你輕鬆自動化複雜任務

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打造多節點圖形結構AI代理框架,實現複雜任務自動化

今次教學會帶大家一步步開發一個進階的圖形代理(Graph Agent)框架,利用Google Gemini API打造智能、多步驟的AI代理,透過一個由多個相互連結節點組成的圖形結構來執行任務。每個節點代表特定功能,包括輸入、邏輯處理、決策和輸出。我哋會用Python語言,採用NetworkX做圖形建模,matplotlib負責視覺化。最尾會實作兩個完整範例:研究助理同問題解決者,示範點樣用呢個框架有效處理複雜嘅推理工作流程。

首先安裝所需套件:google-generativeai(Google Gemini API),networkx(圖形建模),同matplotlib(繪圖)。引入必要模組後,用API key設定Gemini API,令代理系統能夠強力生成內容。

接著定義NodeType列舉類型,分類代理節點種類:輸入(INPUT)、處理(PROCESS)、決策(DECISION)和輸出(OUTPUT)。用dataclass定義AgentNode,每個節點有ID、類型、提示語、可選功能函數和依賴節點清單,方便搭建模組化、彈性高嘅代理圖形。

建立研究助理代理

透過依序加入不同功能節點構建研究代理。由輸入研究主題開始,經過制定研究計劃(包括3至5個關鍵問題及方法)、文獻回顧(確認重點論文、理論及知識空白)、分析研究結果(找出模式、矛盾及新見解),再進行質量檢核(評估分析是否全面,缺乏觀點與否,回傳「批准」或「需修訂」及理由),最後生成一份完整研究報告,涵蓋執行摘要、關鍵發現及建議。整個流程模擬一個結構化研究的完整生命週期。

建立問題解決者代理

定義一連串邏輯節點,由接收問題陳述開始,拆解問題成分、識別約束條件與需求,然後生成三種不同解決方案,並逐一說明方法與預期結果。接著評估各方案的可行性、成本與效益,排序並選出最佳方案。最後輸出詳細實施計劃,包括時間表、資源配置及成功指標。令問題解決流程可以自動化、逐步完成。

執行示範代理

教學最後示範執行兩個代理:研究助理同問題解決者。先視覺化圖形結構,設定輸入內容,再按拓撲排序逐節點執行。Gemini API會根據上下文生成回應,代理就能自主完成規劃、分析、決策及輸出等步驟。最終展示圖形架構如何有效支持複雜任務流程,並強調模組化設計提升靈活性及邏輯流程清晰可見。

總結來講,呢套框架成功打造出智能代理,能夠分解任務並逐步解決,透過圖形驅動架構,每個節點處理依賴上下文嘅提示,調用Gemini生成內容,再將結果傳遞至後續節點。此設計不但靈活易擴展,亦方便用戶直觀理解與調整代理邏輯。

編輯評論與深入分析

今次介紹的多節點圖形AI代理框架,正好反映當前AI系統由「黑盒」到「透明化、模組化」的發展趨勢。以往大型語言模型多是一次輸入輸出,缺乏中間可控流程;而採用圖形結構,清晰定義每個節點功能及依賴,令整個推理流程可被拆解、監控及優化,增強系統的可解釋性與可維護性。

此外,這種架構非常適合應對多步驟、複雜任務,例如學術研究、問題求解、決策支持等場景,將人類思考過程模擬成節點串連,令AI能按步就班並結合上下文生成更精準的結果。這是未來AI走向更深層次「智能代理」的關鍵技術路徑。

不過,框架依賴外部API(如Google Gemini)生成內容,代表系統效能與結果質量會受限於API模型本身表現及穩定性。未來可考慮結合本地微調模型或多模型融合,提升自主性和魯棒性。

最後,透過Python生態中成熟的NetworkX和matplotlib工具,開發者能快速建構並視覺化代理流程,降低技術門檻。這對於香港及華語地區開發者推廣AI應用有很大幫助,能催生更多創新AI解決方案,推動本地智能化轉型。

總結,這篇教學不單示範技術實作,更帶來一種思維模式轉變:AI不再是單一模型,而是一張節點網絡,分工合作完成複雜任務。這為AI未來的發展開闢了新的可能性,也值得本地業界及學界深入研究與借鑒。

以上文章由特價GPT API KEY所翻譯及撰寫。而圖片則由FLUX根據內容自動生成。

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An intense, close-up portrait set in a smoky, underground jazz club or speakeasy. The subject is the 'Boss' of an information network, hiding in plain sight. The scene is dark, defined by heavy shadows and cigarette smoke swirling in the air. A single spotlight hits the subject from the side, creating a classic 'Rembrandt triangle' on the cheek of [exactly face uploaded image 100%]. He wears a sharp, pinstripe suit with a silk tie, loosened at the collar. He holds a glass of amber whiskey, the condensation rendered in 8K detail. The camera uses a macro 100mm lens, focusing entirely on the eyes and the texture of the skin, blurring out the background patrons into abstract shapes. The mood is conspiratorial, sophisticated, and deeply atmospheric. the traveler stands by the colorful waterfront of Willemstad, Curaçao, bathed in warm early-December daylight. He wears a soft pastel blue shirt, cream chinos, and clean white trainers. Wide angle, ultra-realistic, cinematic lighting, 8K resolution, full-body shot, drone shot centered on him while the iconic pastel Dutch-colonial buildings and calm water smooth the emotional ending of the story. Base Setup
keep 100 percent facial information adherence of the attached image and turn her into a lone night hiker standing in the shallow river at the mouth of the canyon, captured as a live action photograph or movie still, not an illustration or CGI render, with an alluring, confident, quietly sexy mood.

Shot and Camera
Three quarter body shot from slightly low height on the riverbank, placing her on the left third while the water leads into the dark canyon and the star filled sky dominates the top of the frame, preserving the original wide vertical composition.

Identity and Pose
She has a slim athletic build, natural proportions, medium length loose hair, and lightly tanned skin, 8k Photorealistic and hyper realistic. She stands barefoot in the water with one leg forward, hips relaxed, wearing a fitted cropped technical top and separate high waisted trail shorts with an open lightweight jacket slipping off one shoulder, one hand loosely holding a headlamp at her side and the other brushing hair from her face as she looks up at the stars.

Lighting and Environment
Keep the soft starlight and faint glow from the distant horizon, giving a gentle rim on her shoulders and hair while a subtle fill from the reflected sky reveals her features. The canyon walls, river reflections, pebbled shore, and dense star field stay exactly like the reference, with small ripples around her feet grounding her in the water.

Masking and Constraints
Change only by adding the subject and her outfit, keep lighting, perspective, white balance, canyon geometry, and river reflections the same, with realistic scale, body proportions, and clear contact between feet and water surface. Change only the requested element and keep lighting, perspective, white balance, pose, face geometry, body proportions, and silhouette the same, and absolutely avoid added text, painterly or toon styling, CGI look, blown highlights, banding, plastic skin, overly tidy backgrounds, or floating feet while requiring consistent perspective, consistent white balance, subtle film like grain, and physically correct contact shadows and reflections.