網路服務主要是透過標準的協定與方法提供簡易和標準化的分散式交易處理，執行在網路上的存取服務。其不僅可應用在圖書館現有資訊系統之間的整合，亦可提供開放式數位圖書館的服務需求。本文嘗試參考網路服務的服務模式，探討其整體應用的架構與相關標準，以及實際應用上所面臨的問題。

A Web Service is a distributed application component based on the interchanging XML-encoded messages. Through standard protocols and methods, it provides distributed transaction in simplification and standardization.
This Web Service can be used in the integrated information system as well as the service requirements of Open Digital Library. The purpose of this article is to tackle the problems of web services architecture, its associated standards, and issues of application.