NETMARK is a software system that organizes and searches complex documents quickly and efficiently. It converts messy data into neat formats like HTML and XML, making it easier to manage. By combining relational and object-oriented database models, NETMARK allows for complex data creation. It uses Oracle 8i for fast keyword searches and supports international standards like WEBDAV and SOAP. This software is useful for various fields like science, auditing, and law enforcement due to its excellent document organization and search capabilities.