GeoPoint boost at mapping time

Elastic Stack Elasticsearch
1

Hi,

What's the best way to give a GeoPoint boost at the mapping time?

I added a boost to List of GeoPoint field at the mapping time, but I don't
see it doing anything with the score returned when I search on that
geoPoint.

Here's how I added it in.
.startObject()
.startObject(TYPE)
.startObject("properties")
.startObject("sen_location").field("type",
"geo_shape").field("geohash", true).field("geohash_prefix",
true).endObject()
.startObject("fc_location").field("type",
"geo_shape").field("geohash", true).field("geohash_prefix",
true).endObject()
.startObject("tgt_location").field("type",
"geo_shape").field("geohash", true).field("geohash_prefix",
true).endObject()

.startObject("corner_location").field("type", "geo_shape").field("geohash",
true).field("lat_lon", true).field("geohash_prefix", true).endObject()

.startObject("senGeoPointLst").field("type", "geo_point").field("geohash",
true).field("lat_lon", true).field("geohash_prefix", true).field("boost",
1).endObject()
.startObject("fcGeoPointLst").field("type",
"geo_point").field("geohash", true).field("lat_lon",
true).field("geohash_prefix", true).field("boost", 3).endObject()

.startObject("tgtGeoPointLst").field("type", "geo_point").field("geohash",
true).field("lat_lon", true).field("geohash_prefix", true).field("boost",
2).endObject()

.startObject("cornerGeoPointLst").field("type",
"geo_point").field("geohash", true).field("lat_lon",
true).field("geohash_prefix", true).field("boost", 4).endObject()
.startObject("toaDTimeMin").field("type",
"date").field("format", "date_time").endObject()
.startObject("toaDTimeMax").field("type",
"date").field("format", "date_time").endObject()
.endObject()
.endObject()
.endObject();

Is this correct? Why its not working?

Thanks!

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2

I am curious, what is your objective? Are you trying to do a geo search and
rank locations that are closer in distance to a certain point higher in the
hits result list?

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3

Binh,

I have three different list of geopoints and I want to rank the document
according to which set of geopoint matched the given geopoint within the
radium given. So if you see I have given different boost number to each of
these three geopoints.
Thanks!

On Thursday, March 27, 2014 2:17:35 PM UTC-4, Binh Ly wrote:

I am curious, what is your objective? Are you trying to do a geo search
and rank locations that are closer in distance to a certain point higher in
the hits result list?

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4

You can probably do this with a function_score query. The idea is something
like this:

localhost:9200/_search
{
"query": {
"function_score": {
"functions": [
{
"filter": {
"geo_distance" : {
"distance" : "1km",
"cornerGeoPointLst" : {
"lat" : 40,
"lon" : -70
}
}
},
"boost_factor": 4
},
{
"filter": {
"geo_distance" : {
"distance" : "1km",
"fcGeoPointLst" : {
"lat" : 40,
"lon" : -70
}
}
},
"boost_factor": 3
},
{
"filter": {
"geo_distance" : {
"distance" : "1km",
"tgtGeoPointLst" : {
"lat" : 40,
"lon" : -70
}
}
},
"boost_factor": 2
}
]
}
}
}

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5

Thanks, Binh! I did try that and that works. I am still curious to find out
if there's any way to add the same during mapping time?

On Thursday, March 27, 2014 12:24:44 PM UTC-4, Kina Shah wrote:

Hi,

What's the best way to give a GeoPoint boost at the mapping time?

I added a boost to List of GeoPoint field at the mapping time, but I don't
see it doing anything with the score returned when I search on that
geoPoint.

Here's how I added it in.
.startObject()
.startObject(TYPE)
.startObject("properties")
.startObject("sen_location").field("type",
"geo_shape").field("geohash", true).field("geohash_prefix",
true).endObject()
.startObject("fc_location").field("type",
"geo_shape").field("geohash", true).field("geohash_prefix",
true).endObject()
.startObject("tgt_location").field("type",
"geo_shape").field("geohash", true).field("geohash_prefix",
true).endObject()

.startObject("corner_location").field("type", "geo_shape").field("geohash",
true).field("lat_lon", true).field("geohash_prefix", true).endObject()

.startObject("senGeoPointLst").field("type", "geo_point").field("geohash",
true).field("lat_lon", true).field("geohash_prefix", true).field("boost",
1).endObject()

.startObject("fcGeoPointLst").field("type", "geo_point").field("geohash",
true).field("lat_lon", true).field("geohash_prefix", true).field("boost",
3).endObject()

.startObject("tgtGeoPointLst").field("type", "geo_point").field("geohash",
true).field("lat_lon", true).field("geohash_prefix", true).field("boost",
2).endObject()

.startObject("cornerGeoPointLst").field("type",
"geo_point").field("geohash", true).field("lat_lon",
true).field("geohash_prefix", true).field("boost", 4).endObject()
.startObject("toaDTimeMin").field("type",
"date").field("format", "date_time").endObject()
.startObject("toaDTimeMax").field("type",
"date").field("format", "date_time").endObject()
.endObject()
.endObject()
.endObject();

Is this correct? Why its not working?

Thanks!

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