1. A method for generating a media recommendation, the method comprising:
receiving, using control circuitry, a first indication that a first media recommendation was generated by a first content provider, wherein the first media recommendation is associated with a first media asset;
receiving, using the control circuitry, a second indication that a second media recommendation was generated by a second content provider;
identifying a plurality of media recommendations previously generated by the first content provider;
determining, for each recommendation of the plurality of media recommendations, a first number of successful media recommendations;
assigning a first importance value to the first content provider, wherein the first importance value is a function of a ratio of the first number of successful media recommendations to a total number of media recommendations in the plurality of media recommendations;
determining, using the control circuitry, whether the second media recommendation is associated with the first media asset; and
in response to determining that the second media recommendation is associated with the first media asset, generating, using the control circuitry, a combined recommendation representing the first and second media recommendations based on the first importance value.
2. The method of claim 1, wherein determining whether the second media recommendation is associated with the first media asset further comprises computing a third importance value based on the first importance value and the second importance value.
3. The method of claim 2, wherein determining whether the second media recommendation is associated with the first media asset further comprises determining whether the third importance value satisfies a mathematical condition.
4. The method of claim 1, further comprising:
determining a second plurality of media recommendations previously generated by the second content provider;
determining, for each recommendation of the second plurality of media recommendations previously generated by the second content provider, a second number of successful media recommendations;
assigning a second importance value to the second content provider, wherein the second importance value is a function of a ratio of the second number of successful media recommendations to a total number of media recommendations in the second plurality of media recommendations;
in response to determining that the second media recommendation is not associated with the first media asset, determining whether the user prefers the first content provider over the second content provider based on the first importance value and the second importance value; and
generating a recommendation of the first media asset based on determining that the user prefers the first content provider.
5. The method of claim 1, wherein:
the first indication comprises first recommendation metadata;
the second indication comprises second recommendation metadata; and
the determining whether the second media recommendation is associated with the first media asset is based on comparing, using the control circuitry, a first field of the first recommendation metadata with a second field of the second recommendation metadata, wherein the first field corresponds to an identifier of the media asset associated with the first media recommendation and the second field corresponds to an identifier of a media asset associated with the second media recommendation.
6. The method of claim 1, further comprising:
in response to determining that the second media recommendation is associated with a second media asset, determining whether the user has a greater preference for the first content provider than the second content provider; and
in response to determining that the user has a greater preference for the first content provider than the second content provider, generating a third media recommendation representing the first media recommendation.
7. The method of claim 6, further comprising:
in response to determining that the second media recommendation is associated with a second media asset, determining whether the user has a greater preference for the second content provider than the first content provider; and
in response to determining that the user has a greater preference for the second content provider than the first content provider, generating a fourth media recommendation representing the second media recommendation.
8. The method of claim 7, wherein generating a third media recommendation further comprises generating a fourth recommendation of the second media asset, wherein a display of the third media recommendation and the fourth media recommendation is arranged based on a comparison of the first importance value and the second importance value.
9. The method of claim 1, further comprising:
assigning a first importance value to the first media asset based on a first frequency of which a plurality of content providers have recommended the first media asset to a user; and
assigning a second importance value to a second media asset based on a second frequency of which the plurality of content providers have recommended the second media asset to the user.
10. A system for generating a media recommendation, the system comprising:
storage; and
control circuitry, wherein the control circuitry is configured to:
receive a first indication that a first media recommendation was generated by a first content provider, wherein the first media recommendation is associated with a first media asset;
store, in the storage, the first indication;
receive a second indication that a second media recommendation was generated by a second content provider;
store, in the storage, the second indication;
identify a plurality of media recommendations previously generated by the first content provider;
determine, for each recommendation of the plurality of media recommendations, a first number of successful media recommendations;
assign a first importance value to the first content provider, wherein the first importance value is a function of a ratio of the first number of successful media recommendations to a total number of media recommendations in the plurality of media recommendations;
determine whether the second media recommendation is associated with the first media asset; and
in response to determining that the second media recommendation is associated with the first media asset, generate a combined recommendation representing the first and second media recommendations based on the first importance value.
11. The system of claim 10, wherein the control circuitry is further configured to compute a third importance value based on the first importance value and the second importance value.
12. The system of claim 11, wherein the control circuitry is further configured to determine whether the third importance value satisfies a mathematical condition.
13. The system of claim 10, wherein the control circuitry is further configured to:
determine a second plurality of media recommendations previously generated by the second content provider;
determine, for each recommendation of the second plurality of media recommendations previously generated by the second content provider, a second number of successful media recommendations;
assign a second importance value to the second content provider, wherein the second importance value is a function of a ratio of the second number of successful media recommendations to a total number of media recommendations in the second plurality of media recommendations;
in response to determining that the second media recommendation is not associated with the first media asset, determine whether the user prefers the first content provider over the second content provider based on the first importance value and the second importance value; and
generate a recommendation of the first media asset based on determining that the user prefers the first content provider.
14. The system of claim 10, wherein:
the first indication comprises first recommendation metadata; and
the second indication comprises second recommendation metadata, and
wherein the control circuitry is further configured to compare, a first field of the first recommendation metadata with a second field of the second recommendation metadata, wherein the first field corresponds to an identifier of the media asset associated with the first media recommendation and the second field corresponds to an identifier of a media asset associated with the second media recommendation.
15. The system of claim 10, wherein the control circuitry is further configured to:
in response to determining that the second media recommendation is associated with a second media asset, determine whether the user has a greater preference for the first content provider than the second content provider; and
in response to determining that the user has a greater preference for the first content provider than the second content provider, generate a fourth media recommendation of the first media asset.
16. The system of claim 15, wherein the control circuitry is further configured to:
in response to determining that the second media recommendation is associated with a second media asset, determine whether the user has a greater preference for the second content provider than the first content provider; and
in response to determining that the user has a greater preference for the second content provider than the first content provider, generate a fifth media recommendation of the second media asset.
17. The system of claim 16, wherein the control circuitry is further configured to generate a fourth recommendation of the second media asset, wherein a display of the third media recommendation and the fourth media recommendation is arranged based on a comparison of the first importance value and the second importance value.
18. The system of claim 10, wherein the control circuitry is further configured to:
assign a first importance value to the first media asset based on a first frequency of which a plurality of content providers have recommended the first media asset to a user; and
assign a second importance value to a second media asset based on a second frequency of which the plurality of content providers have recommended the second media asset to the user.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
1. A method for excavating and advancing into a rock surface to form an excavation, the method comprising:
(a) providing a tunnel face in the excavation having a base and a first reference axis, the first reference axis substantially parallel with the heading direction of the excavation;
(b) drilling a plurality of lifter holes into the tunnel face at a first acute angle with respect to the first reference axis along a longitudinal band at the tunnel face;
(c) drilling a plurality of line holes into the tunnel face at a second acute angle with respect to a second reference axis opposedly adjacent to the longitudinal band of lifter holes, the second acute angle smaller than the first acute angle; and
(d) drilling the lifter holes deeper than the line holes.
2. The method according to claim 1 wherein the lifter holes and the line holes do not intersect.
3. The method according to claim 1 wherein the number of line holes exceeds the number of lifter holes.
4. The method according to claim 1 including drilling the lifter holes and the line holes in a fan pattern into the rock surface.
5. The method according to claim 1 wherein the line holes are disposed between the longitudinal band and the base of the tunnel face.
6. The method according to claim 1 wherein the line holes are drilled adjacent to the base of the tunnel face.
7. The method according to claim 1 wherein the first and second acute angles are inclined towards the base of the tunnel face.
8. The method according to claim 1 wherein the first and second acute angles are inclined downwardly in a substantially horizontal excavation heading.
9. The method according to claim 1 wherein the first reference axis and the second reference axis are parallel to one another.
10. The method according to claim 1 wherein a lifter hole is longer than a line hole.
11. The method according to claim 1 including filling at least one lifter hole with explosive and detonating the explosive.