File:Karsha Annotation Architecture-V-1.1.png

1- Client Web Browser-(Presentation tier) The presentation layer provides the application’s user interface (UI). The Graphical user interfaces are designed with HTML,CSS, JSP, JavaScript, JQuery technologies for smart and easy user interaction. 2-WSo2 Application Server (Logic tier) This layer controls the application’s functionality by performing detailed processing and all the processes are running inside the WSo2 cloud. 2.1-Libraries 2.1.1-Apache Lucene Lucene is an open source full text index and search engine written in Java. The functionalities are mainly used to index PDF document and calculating similarity between documents. 2.1.2-Apache PDFBox The Apache PDFBox library is an open source Java tool for working with PDF documents. It is used for manipulate PDF documents and to extract content from PDF documents. 2.1.3-Stanford Parser Set of open source probabilistic natural language parsers written in Java. It can be used for split sentences, extract named entities, get grammatical structure of sentences. Extracting sentences is the main usage of Stanford Parsee in this context. 2.2- Processes 2.2.1-Document Processor Controlling of text extraction form PDF documents Processing of text and extraction of sentences 2.2.2-Doc_Sim Calculator Calculation of similarity between financial documents and FIBO definitions using Okapi Similarity Recommending FIBO terms for documents based on document similarity values. 3-Data Service Server (Data tier) Data service server housed inside the WSo2 cloud and having separate server improves scalability and performance. A SQL database has been used for data storage. Financial Industry Business Ontology is staged in a database table. Various financial documents are stored as blob files.