org.aksw.limes.core.execution.engine.filter

Interface IFilter

All Known Implementing Classes:

LinearFilter

public interface IFilter

Implements the filter interface.

Version:

1.0

Author:

Axel-C. Ngonga Ngomo (ngonga@informatik.uni-leipzig.de), Kleanthi Georgala (georgala@informatik.uni-leipzig.de)

Method Summary

Modifier and Type	Method and Description
AMapping	filter(AMapping map1, AMapping map2, double coef1, double coef2, double threshold, String operation) Filter for linear combinations when operation is set to "add", given the expression a*sim1 + b*sim2 >= t or multiplication given the expression (a*sim1)*(b*sim2) >= t, which is not likely to be used.
AMapping	filter(AMapping map, double threshold) Naive filter function for mapping using a threshold as filtering criterion.
AMapping	filter(AMapping map, String condition, double threshold, ACache source, ACache target, String sourceVar, String targetVar) Filter function for mapping using a condition and a threshold as filtering criterion.
AMapping	filter(AMapping map, String condition, double threshold, double mainThreshold, ACache source, ACache target, String sourceVar, String targetVar) Filter function for mapping using a condition and two thresholds as filtering criterion.
AMapping	reversefilter(AMapping map, String condition, double threshold, double mainThreshold, ACache source, ACache target, String sourceVar, String targetVar) Reverse filter function for mapping using a condition and two thresholds as filtering criterion.

Method Detail

filter

AMapping filter(AMapping map,
                double threshold)

Naive filter function for mapping using a threshold as filtering criterion.

Parameters:

map - Map bearing the results of Link Specification

threshold - Value of threshold

Returns:

a filtered mapping that satisfies sim >= threshold

filter

AMapping filter(AMapping map,
                String condition,
                double threshold,
                ACache source,
                ACache target,
                String sourceVar,
                String targetVar)

Filter function for mapping using a condition and a threshold as filtering criterion.

Parameters:

map - Map bearing the results of Link Specification

condition - The condition for filtering

threshold - Value of threshold

source - Source knowledge base

target - Target knowledge base

sourceVar - Source property

targetVar - Target property

Returns:

a filtered mapping that satisfies both the condition and the threshold

filter

AMapping filter(AMapping map,
                String condition,
                double threshold,
                double mainThreshold,
                ACache source,
                ACache target,
                String sourceVar,
                String targetVar)

Filter function for mapping using a condition and two thresholds as filtering criterion.

Parameters:

map - map bearing the results of Link Specification

condition - The condition for filtering

threshold - Value of the first threshold

mainThreshold - Value of second threshold

source - Source knowledge base

target - Target knowledge base

sourceVar - Source property

targetVar - Target property

Returns:

a filtered mapping that satisfies both the condition and the thresholds

reversefilter

AMapping reversefilter(AMapping map,
                       String condition,
                       double threshold,
                       double mainThreshold,
                       ACache source,
                       ACache target,
                       String sourceVar,
                       String targetVar)

Reverse filter function for mapping using a condition and two thresholds as filtering criterion.

Parameters:

map - Map bearing the results of Link Specification

condition - The condition for filtering

threshold - Value of the first threshold

mainThreshold - Value of second threshold

source - Source knowledge base

target - Target knowledge base

sourceVar - Source property

targetVar - Target property

Returns:

a filtered mapping that satisfies both the condition and the thresholds

filter

AMapping filter(AMapping map1,
                AMapping map2,
                double coef1,
                double coef2,
                double threshold,
                String operation)

Filter for linear combinations when operation is set to "add", given the expression a*sim1 + b*sim2 >= t or multiplication given the expression (a*sim1)*(b*sim2) >= t, which is not likely to be used.

Parameters:

map1 - Map bearing the results of sim1 >= (t-b)/a for add, sim1 >= t/(a*b) for mult

map2 - Map bearing the results of sim2 >= (t-a)/b for add, sim2 >= t/(a*b) for mult

coef1 - Value of first coefficient

coef2 - Value of second coefficient

threshold - Value of threshold

operation - Mathematical operation

Returns:

a filtered mapping that satisfies a*sim1 + b*sim2 >= t for add, (a*sim1)*(b*sim2) >= t for mult