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Stock. Broker (An NLP Dialog Manager) Client Dr. Wang, Researcher, Speech Recognition, IBN, Yorktown Stock. Broker (An NLP Dialog Manager) Client Dr. Wang, Researcher, Speech Recognition, IBN, Yorktown Heights, NY Developed by Arati Avhad Larry Lefever

Introduction The application is essentially a “dialog manager” that supports natural language commands for Introduction The application is essentially a “dialog manager” that supports natural language commands for buying and selling stock in corporations. Two servers are used, a "Classer" and a "Parser". These servers provide the Natural Language Processing functionality.

Use Cases Currently, only two Use Cases Currently, only two "use-cases" are supported: • Buy shares of a stock • Sell shares of a stock - The user enters a natural-language request to buy/sell stock. Expected format (some variations allowed): “. . . {action}. . . {integer}. . . {shares | dollars | percentage}. . . {stock-symbol} - The application responds with confirmation of the requested action - The application displays the ready-message

Class Diagram Class Diagram

A Typical Dialog Stock. Broker: Hi, I’m your automated stockbroker Stock. Broker: Who are A Typical Dialog Stock. Broker: Hi, I’m your automated stockbroker Stock. Broker: Who are you? User: lefever Stock. Broker: Prove it. Tell me your password. User: password Stock. Broker: Hi, lefever Stock. Broker: How might I be of service to you? User: Buy shares Stock. Broker: How many shares? User: ten shares Stock. Broker: What fund? User: alliance global small capital a Stock. Broker: You just bought ten shares of alliance global small capital a User: all done Stock. Broker: I’ll just wait here for someone to make use of me again

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