OTHER KNOWLEDGE CAPTURE TECHNIQUES

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Presentation transcript:

OTHER KNOWLEDGE CAPTURE TECHNIQUES Lecture Five (Chapter 5, Notes; Chapter 6, Textbook)

Review of Lecture 4 The Knowledge Capture Process Single vs. Multiple Experts (Pros and Cons) Interview As Knowledge Capture Tool Sources of Errors and Problems in Interview Today, we will learn about the KMSLC, that is the actual stages involved in the development of a working KMS: First, I will highlight several major challenges one might face when constructing KM systems. This will set the stage for the remaining discussion on KMSLC. For some of you, you might be familiar with the system development life cycle for conventional systems. But how about KMSLC? What are the main similarities and differences between the conventional life cycle and the KMSLC that we will be learning today? Next, we will attempt to understand some characteristics of a user (or person using a system) as compared to an expert who are knowledgeable in an area where we are attempting to apply KM. Altogether, we can identify 8 distinct stages in a KMSLC (at least as outlined in our textbook by Awad and Ghaziri). For the most part, the stages are sequential. But, there are certain stages that are iterative because of the methodology applied in developing KMS.

Other Techniques On-site Observation (Action Protocol) Brainstorming (Conventional & Electronic) Consensus Decision Making Nominal Group Technique Delphi Method Repertory Grid Concept Mapping Blackboarding Today, we will learn about the KMSLC, that is the actual stages involved in the development of a working KMS: First, I will highlight several major challenges one might face when constructing KM systems. This will set the stage for the remaining discussion on KMSLC. For some of you, you might be familiar with the system development life cycle for conventional systems. But how about KMSLC? What are the main similarities and differences between the conventional life cycle and the KMSLC that we will be learning today? Next, we will attempt to understand some characteristics of a user (or person using a system) as compared to an expert who are knowledgeable in an area where we are attempting to apply KM. Altogether, we can identify 8 distinct stages in a KMSLC (at least as outlined in our textbook by Awad and Ghaziri). For the most part, the stages are sequential. But, there are certain stages that are iterative because of the methodology applied in developing KMS.

On-Site Observation Process of observing, interpreting, and recording expert’s problem-solving behaviour as it takes place Places the knowledge developer closer to the actual steps and procedures used by the experts

On-Site Observation (cont) Problems: Some experts do not like to be observed Reactions from peers during observation can be distracting Accuracy or completeness of captured knowledge weakened by time gap between observation and recording

Brainstorming An unstructured, consensus-based approach to generating ideas about a problem Suitable for multiple experts All possible solutions considered equally Goal is to foster the frequency of responses during the session Conclude by idea evaluation

Role of Knowledge Developer in Brainstorming Session Introduce and coordinate the brainstorming session Give experts a problem to consider Prompt experts to generate ideas Watch for signs of convergence Call for a vote to reach agreement

Electronic Brainstorming Computer-aided approach to brainstorming Promote instant exchange of ideas between experts Require a pre-session plan to identify objectives and structures the agenda Anonymity reduces effects of shyness, etc. Shorter meeting with concise recommendations

Electronic Brainstorming (Ex.) An example of a software supporting E-brainstorming A session can present a number of electronic sheets to collect ideas from the participants.

Electronic Brainstorming (Ex.) Participants enter ideas in one sheet while reading ideas that have already been entered. Knowledge developer provides guidance on exactly how this activity will function.

Protocol Analysis Think-aloud approach Expert verbalizes while going through a problem solution Protocols are recorded and analyzed Knowledge developer does not interfere in the solving process Structuring of recorded information occurs when knowledge developer analyzes the protocols.

Consensus Decision Making Consensus is a process for group decision-making Input of all participants are gathered and synthesized to arrive at a final decision, that is acceptable to all Through consensus, not only achieve better solutions, but also promote community and trust As a tool, it follows brainstorming

Consensus Procedure (Steps 1-4) A proposal for resolution is put forward Amend and modify proposal through discussion Those participants who disagree with the proposal have the responsibility to put forward alternative proposals The one who put forward the proposal, with help of facilitator, can choose to withdraw proposal if seems to be dead end.

Consensus Procedure (Steps 5-8) When a proposal seems to be well understood and no new changes asked for, the facilitator confirm any objections If no objections, the facilitator can call for consensus If there are still no objections, then after a moment of silence, you have the decision If consensus appears to have reached, the facilitator repeats the decision so everyone is clear

Nominal Group Technique (NGT) An idea writing technique A structured variation of small group discussion method Prevents the domination by a single expert Encourages the more passive experts to participate Results in a set of prioritized solutions or recommendations NWRI-USA  2003

NGT (Steps 1-4) Divide the people present into small groups of 5 or 6 members, sitting around a table State an open-ended question (“What are some ways we could encourage people to car pool?”) Have each Person spend several minutes in silence individually brainstorming all possible ideas and write these ideas down Have each group, collect the ideas by sharing them in a round-robin fashion, while recording them on a flipchart

NGT (Steps 5-7) Have each Person evaluate the ideas and anonymously vote for the best ones (e.g., best idea gets 8 points, next best 7 points, third best 6 points, etc) Share votes within the group and tabulate. A group report is prepared showing the ideas having most points. Allow time for brief group presentations on their solutions.

NGT (Advantages) Effective in minimizing differences in status among multiple experts Each expert has an equal chance to express ideas in parallel with other experts in the group(s) With the discussion proceeds in controlled order, it can be more efficient and productive than brainstorming

NGT (Drawbacks) Technique can be time consuming Could promote impatience among experts who must listen to discussions with other experts With multiple experts sharing expertise, a cause of difficulty in adopting the best solution

Delphi Method A survey of experts A series of questionnaires developed to pool experts’ responses in solving a difficult problem Each expert’s contributions shared with rest of experts by using results of one questionnaire to construct the next questionnaire

Delphi Method (Pros and Cons) Anonymous response Controlled feedback Statistical group response Cons Poorly designed questionnaire can be ineffective in capturing the complexity of the problem domain Experts may lack complete knowledge to base their answers

The Repertory Grid An expert conceptualizes the problem using his or her own model Grid used to facilitate the capture and evaluation of the expert’s model A representation of the experts’ reasoning about a particular problem A grid can be a scale or a bipolar construct on which elements are placed within gradations

Job Interview Rating Repertory Grid (Example) Construct T1 T2 T3 T4 T5 T6 A. Inexperience 3 1 B. Academically Ill-qualified 2 C. Poor Appearance D. Not punctual E. Introverted Scale: 1 to 3 Dixie John Barry Curt Lester Joanne

The Repertory Grid (Pros and Cons) Benefit: may prompt the expert to think more concretely about the problem and how to solve it. Drawback: difficult to manage when large grids are accompanied by complex details Because of complexity and manageability, the tool is normally used in the early stages of knowledge capture

Concept Mapping A network of concepts, consisting of nodes and links A node represents a concept and a link represents the relationship between concepts. An effective approach for: design a complex structure (Web sites) generate or communicate ideas (e.g., during brainstorming) diagnose misunderstanding

Concept Map - A Simple Example

Steps in Concept Mapping 1 Preparation of Project Participants, focus, schedule 2 Idea Generation (focus for brainstorming) 6 Utilization STEPS IN CONCEPT MAPPING 3 Idea Structuring (sorting/rating statements) 5 Interpretation (cluster analysis) 4 Representation

Concept Map on Pathogens A pathogen, commonly known as germ, is a biological agent that causes disease to its host.

Blackboarding (Groupware) Participants are assumed experts with unique experience Each expert has equal chance to contribute to the solution via the blackboard Process continues until the problem has been solved Join Information Technologies  2003

Blackboarding (Characteristics) Participants share a common protocol for interaction Organized participation Iterative approach to problem solving Flexible representation of information Efficient storage and location of information

End of Lecture Five This end the Lecture 2. The next lecture, we will cover Knowledge Creation and Knowledge Architecture.

Three important steps Use an appropriate tool or technique to elicit information from the expert Interpret the information and infer the expert’s knowledge and reasoning process Use the interpretation to build rules that represent expert’s solutions

Voting in each group