1. An animal deterring device comprising a carrier having a first conductive trace that is separated from a second conductive trace by an arc suppressor that has at least one of (a) an umbrelloid shape, and (b) a configuration effective to increase creep distance between the first and second conductive traces by at least 1.5 times.
2. The device of claim 1 wherein the arc suppressor has an umbrelloid shape.
3. The device of claim 1 wherein the umbrelloid shape is selected form the group consisting of a T-shape, a stemmed inverted U-shape, and a stemmed inverted V-shape.
4. The device of claim 1 wherein the umbrelloid shape is continuous along the length of the carrier.
5. The device of claim 1 wherein the arc suppressor increases creep distance at least 1.7 times.
6. The device of claim 1 wherein the arc suppressor increases creep distance at least 2.0 times.
7. The device of claim 1 wherein the arc suppressor has a height to width ratio between 1:4 and 1:1.
8. The device of claim 1 wherein the carrier is configured as a stripe, and wherein the first and second conductive traces are parallel to the arc suppressor.
9. The device of claim 1 wherein the arc suppressor is continuous along the length of the carrier.
10. The device of claim 1 wherein at least one of the first and second conductive traces are continuous along the length of the carrier.
11. The device of claim 1 wherein at least part of the carrier is angled, and wherein the angle is selected such that when the device is installed on a horizontal surface water runs off the angled part.
12. The device of claim 1 wherein at least part of the arc suppressor is angled, and wherein the angle is selected such that when the device is installed on a horizontal surface water runs off the angled part.
13. The device of claim 1 having a height to width ratio between 1:5 and 1:2.
14. The device of claim 1 wherein the first and second conductive traces are spaced apart at a distance that allows formation of an electric circuit via a foot of a bird.
15. The device of claim 14 wherein the bird has a size of at least an adult pigeon.
16. The device of claim 14 wherein the bird has a size of at least an adult seagull.
17. An animal deterring device comprising a stripe-shaped carrier having a first conductive trace that is separated from a second conductive trace by an umbrelloid arc suppressor, and wherein the device has a height to width ratio between 1:5 and 1:2.
18. The device of claim 17 wherein the carrier is fabricated from a flexible material.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for distributing a query, wherein the query comprises one or more sub-clauses, wherein each sub-clause comprises a triple pattern having three components for use with a distributed system, the method comprising:
identifying each sub-clause;
analysing three components of each sub-clause in accordance with one or more analysis rules in order to determine the proportion of values to variables;
in response to the determination, testing the sub-clause against one or more execution rules, wherein the execution rules are associated with an order of processing of a sub-clause based on the proportion of values to variables; and
in response to the testing, generating a sub-query associated with a first sub-clause having the largest proportion of values to variables.
2. The method of claim 1, wherein the sub-query is associated with determining a value associated with a variable in the first sub-clause.
3. The method of claim 2, further comprising:
analysing each of three components associated with the first sub-clause in order to determine whether at least one of the components is associated with a first non-literal value; and
in response to determining that at least one of the components is associated with a first non-literal value, using the first non-literal value in the sub-query.
4. The method of claim 3, wherein the first non-literal value comprises a first location and the method further comprises:
transmitting the sub-query to the first location.
5. The method of claim 3, further comprising:
in response to transmitting the sub-query, receiving a result comprising at least one value.
6. The method of claim 5, wherein the result comprises a second value associated with a second variable in the first sub-clause.
7. The method of claim 6, wherein the second value is a second non-literal value.
8. The method of claim 7, wherein the second non-literal value is associated with a second location.
9. The method of claim 8, further comprising: repeating each of the analysing each sub-clause and testing steps for at least one another clause of the one or more remaining sub-clauses.
10. The method of claim 9, further comprising:
generating a sub-query associated with a second sub-clause having the largest proportion of values to variables of said remaining sub-clauses.
11. The method of claim 10, further comprising:
using the second non-literal value in the sub-query associated with the second sub-clause.
12. The method of claim 11, wherein the result further comprises a third value associated with a second variable in the first sub-clause.
13. The method of claim 12, wherein the third value is a third non-literal value.
14. The method of claim 13, further comprising:
using the third non-literal value in the sub-query associated with the second sub-clause.
15. An apparatus for distributing a query, wherein the query comprises one or more sub-clauses, wherein each sub-clause comprises a triple pattern having three components for use with a distributed system, the apparatus comprising:
means for identifying each sub-clause;
means for analysing three components of each sub-clause in accordance with one or more analysis rules in order to determine the proportion of values to variables;
means, responsive to the determination, for testing the sub-clause against one or more execution rules, wherein the execution rules are associated with an order of processing of a sub-clause based on the proportion of values to variables; and
means, responsive to the means for testing, for generating a sub-query associated with a first sub-clause having the largest proportion of values to variables.
16. The apparatus of claim 15, wherein the sub-query is operable to determine a value associated with a variable in the first sub-clause.
17. The apparatus of claim 16, further comprising:
means for analysing each of three components associated with the first sub-clause in order to determine whether at least one of the components is associated with a first non-literal value; and
means, responsive to a determination that at least one of the components is associated with a first non-literal value, for using the first non-literal value in the sub-query.
18. The apparatus of claim 17, wherein the first non-literal value comprises a first location and the apparatus further comprises:
means for transmitting the sub-query to the first location.
19. The apparatus of claim 17, further comprising:
means, responsive to transmission of the sub-query, for receiving a result comprising at least one value.
20. The apparatus of claim 19, wherein the result comprises a second value associated with a second variable in the first sub-clause.
21. The apparatus of claim 20, wherein the second value is a second non-literal value.
22. The apparatus of claim 21, wherein the second non-literal value is associated with a second location.
23. The apparatus of claim 22, further comprising:
means for repeating each of the analysing each sub-clause means and testing means for at least one another clause of the one or more remaining sub-clauses.
24. The apparatus of claim 23, further comprising:
means for generating a sub-query associated with a second sub-clause having the largest proportion of values to variables of said remaining sub-clauses.
25. The apparatus of claim 24, further comprising:
means for using the second non-literal value in the sub-query associated with the second sub-clause.
26. The apparatus of claim 25, wherein the result further comprises a third value associated with a second variable in the first sub-clause.
27. The apparatus of claim 26, wherein the third value is a third non-literal value.
28. The apparatus of claim 27, further comprising:
means for using the third non-literal value in the sub-query associated with the second sub-clause.
29. A computer program product comprising program code means adapted, when executed by a computer to cause said computer to perform a method for distributing a query, wherein the query comprises one or more sub-clauses, wherein each sub-clause comprises a triple pattern having three components for use with a distributed system, the method comprising:
identifying each sub-clause;
analysing three components of each sub-clause in accordance with one or more analysis rules in order to determine the proportion of values to variables;
in response to the determination, testing the sub-clause against one or more execution rules, wherein the execution rules are associated with an order of processing of a sub-clause based on the proportion of values to variables; and
in response to the testing, generating a sub-query associated with a first sub-clause having the largest proportion of values to variables.