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Ontology-based Case-Based Reasoning (OntCBR) for Engineering ...

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has_req<br />

5. <strong>Ontology</strong> <strong>Reasoning</strong><br />

3) Axiom <strong>Reasoning</strong> - relation<br />

has_char CarType<br />

AirPurifier<br />

has_char<br />

install<br />

subpart has_req<br />

subpart<br />

FanAssy<br />

has_req<br />

Cleaning_Air<br />

subreq<br />

subreq<br />

subpart<br />

Motor<br />

Air_Env<br />

has_req<br />

Make_Wind<br />

has_char<br />

has_char<br />

crossflow_fan<br />

has_char<br />

has_char<br />

has_char<br />

torque<br />

out_diameter<br />

has_n_val<br />

Country has_n_val<br />

Flow_rate<br />

Noise<br />

has_d_val<br />

has_d_val<br />

has_n_val<br />

has_n_val<br />

has_q_val<br />

has_n_val<br />

has_q_val<br />

Property Axioms<br />

∀x,y,z req_function(x) ∧ req_function(y) ∧ subreq(x,y)<br />

∧ part(z) ∧ has_req(z, x) → has_req(z,y).<br />

41<br />

SUV<br />

Inside_car<br />

65<br />

80<br />

China<br />

90<br />

normal<br />

40<br />

mid<br />

3<br />

Axiom<br />

<strong>Reasoning</strong><br />

KB_<strong>for</strong>_new_prob<br />

airpurifier(airpurifier_np).<br />

cleaning_air(cleaning_air_np).<br />

air_env(air_env_np).<br />

make_wind(make_wind_np).<br />

has_req(airpurifier_np, cleaning_air_np).<br />

subreq(cleaning_air_np, air_env_np).<br />

subreq(cleaning_air_np, make_wind_np).<br />

…<br />

Inference Results<br />

(by Rule#05)<br />

KB_<strong>for</strong>_new_prob |=<br />

has_req(airpurifier_np, air_env_np) ∧<br />

has_req(airpurifier_np, make_wind_np)

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