Declarative Goal Objects for Dialog Frame Completion
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Solution Overview
Problem
Frame-based dialog control logic becomes complex and less maintainable when dealing with large forms, requiring extensive explicit control logic to manage field completion and user interaction flow, reducing the declarative nature and increasing procedural complexity.
Innovation Solution
Incorporating declarative goal information into frame definitions and modifying the Frame Interpretation Algorithm (FIA) to use this goal information, allowing goals to be expressed as Boolean expressions over fields, simplifying frame design and eliminating the need for additional procedural control logic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If explicit control logic is added to manage field completion in large forms, then frame completion control is improved, but device complexity increases
Solution Approach 1:
The patent extracts the control logic from the frame definition by introducing a separate Goal object that contains completion criteria. This separates the frame structure (fields) from the control logic (goals), allowing the frame to remain simple while goals handle the complexity of completion management.
Solution Approach 2:
The Goal object acts as an intermediary between the frame fields and the dialog system controller. Instead of embedding control logic directly in the frame, the goal serves as a mediator that translates field states into completion conditions, simplifying the overall system architecture.
2Manufacturing precision
If explicit control logic is used to determine field visitation order, then dialog control precision is improved, but ease of operation deteriorates
Solution Approach 1:
The patent segments the control logic into separate Goal objects that can be independently defined for each field or group of fields. This allows precise control over visitation order through goal dependencies while keeping individual frame definitions simple and easy to design.
Solution Approach 2:
Goals are defined in advance with their completion criteria and visitation order relationships established before the dialog executes. This preliminary organization of control logic allows the system to automatically determine field visitation order without requiring complex runtime control statements.
3Device complexity
If frame-based techniques are used to represent complex dialogs, then device complexity is reduced, but adaptability deteriorates
Solution Approach 1:
The patent introduces dynamic goal activation and completion detection that adapts to different dialog scenarios. Goals can be activated based on user input, field completion state, or contextual conditions, allowing the same frame structure to handle multiple dialog flows and user intentions flexibly.
Solution Approach 2:
The system changes the state parameters of goals (activated, completed, pending) based on dialog progression and user input. This dynamic parameter management allows a single frame definition to adapt to various interaction patterns, enhancing versatility while maintaining structural simplicity.
Data Source
AI summary
A frame definition for use by dialog system during an interaction with a user, the frame definition includes at least one data field and at least one goal comprising a Boolean function of one or more filled predicates, each of which takes a reference to a field of the frame as its argument. A goal is satisfied during a dialog if the Boolean function evaluates to true. A goal may be used to control the focus of the interaction.