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Author Topic: Keyword relevance ?  (Read 4994 times)

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ShadySue

  • There is a crack in everything
« on: November 25, 2013, 08:00 »
+1
So - we read a lot about how iStock's system rearranges keywords according to viewer and buyer use so that the most relevant keywords come to the front.
In the past, this has generally seemed to me to be 'probably' the case, though I do have a huge anomaly in a particular file, right from its upload.

Last week, I discovered that a file which I uploaded earlier this year and has 4 recorded views and one sale (whoopee!) had 'photography' as its top keyword, though it was near the bottom as I keyworded it. A few days later, I see it still has 'photography' as its top keyword.

But the mystery deepens. I had notification that a file had been accepted, and remembered that I'd forgotten to put a banner in, so I hopped over to the file and discovered a strange order to my keywords. (I have a pattern of keywording so this strangeness jumped out).

Sure enough, my keyword order was: Bluetit, Winter, Bird, Tit, One Bird, Frost, Bird Feeder, Perching, Cold, Ice, Sunflower Seed, Sunflower Hearts, Seed, Seed Feeder, Feeding, Animals Feeding, One Animal, Animals In The Wild, Wildlife, Nature, Scotland, UK, Europe, Beauty In Nature, Colors, Photography, Horizontal, No People, Differential Focus
and the new order, less than five minutes after I got the notification, and with 0 views, is:
Bluetit, Winter, Bird, Animals Feeding, Scotland, UK, Europe, Seed, Perching, Animals In The Wild, Ice, Frost, One Bird, Sunflower Hearts, Horizontal, Selective Focus, Nature, Photography, No People, Beauty In Nature, One Animal, Bird Feeder, Sunflower Seed, Tit, Feeding, Cold, Colors, Wildlife

(BTW, 'colors' is wrong, it should be colour (image type), don't know why it's changed, but I see it has changed in several other recent uploads too. I'll deal with that.)

Please don't focus on the particulars of this image. I can see similar apparently-random changes in several other recently-accepted images.

What I'm concerned about is not that one file, or even the group of recent files, but the principle of how it happens that inside 5 minutes of acceptance, the keyword order can have changed so much, and so randomly, at a time when the contributor information manager (or whatever the title is) says that they are focusing on 'razor-sharp relevancy' in Search.

Theoretically, my files should stay as I ordered them until there's some relevant buyer action on them.
« Last Edit: November 25, 2013, 08:48 by ShadySue »


« Reply #1 on: November 25, 2013, 08:48 »
0
Question, are you using DM to upload files and is it the latest version?

ShadySue

  • There is a crack in everything
« Reply #2 on: November 25, 2013, 08:54 »
0
Question, are you using DM to upload files and is it the latest version?
No.

cuppacoffee

« Reply #3 on: November 25, 2013, 09:45 »
+2
A lot of sites are employing what is known as Intelligent Keyword Search Analysis. It is supposed to improve search results when there is tons of data. In total non-geek speak in this scenario the importance of each keyword is weighed differently for each image and is intended to help searchers by displaying the most relevant images (and keywords) first. What is most relevant? That is determined by how many times certain words are searched for and the agency can also introduce other factors to add weight to other variables. For example, if a buyer searches for onion and photos of single onions are most often purchased, more weight will be given to those single onion images rather than the countless food shots of prepared dishes which contain onions in the keywords. I think it is an automated function that is reordering your keywords based on how searches have been done in the past on the total number of images and words in the database. Just a guess.

« Reply #4 on: November 25, 2013, 10:58 »
0
That's interesting. It looks quite intelligent. My guess would be - only because it seems sensible - that there are categories of word types. In which case I guess you would think about building an order something like this:

Eg: the first 3 proper full CV terms (probably ignoring non CV terms at this point - and possibly even being slightly thrown by them). So it starts with the most important words. Then it builds an order based on the type of words. Therefore some location words. Some action words. Possibly some descriptive words. Maybe some technical words. Then everything else [ETA: and perhaps everything else initially added according to how often those words have ever been used]. Something like that.

We know from what we have been advised that location is now considered more relevant than it used to be and I was reading a trends report recently about how important local information is in general. It's definitely smart if they are doing it like this.

I certainly wouldn't expect our own order to stick even from the beginning. Unless one actually studied it carefully and, just for fun, tried to come up with an order which cracked it. I am going to give it a go with my next upload - to see if I can put the keywords in the same order as they end up. Well as close as possible.

ETA: So I took the liberty of looking at your bluetit picture uploaded on 10-13-13. Clicking on 'wrong keywords' I think we see the original order for comparison and it looks something like I am guessing. Seems sensible enough.

ORIGINAL:
Blue Tit, bird, Tit, sunflower hearts! [NOT CV], One Bird! [NOT CV], Perching (Animal Behavoiur), Gripping (Holding), Animal Behaviour (Animal Attribute), one animal (Animal), wild, wildlife, nature, selective focus, Feeding, Animals Feeding, eating, [Did you mean ! food in beak is unknown ], bird feeder, seed feeder! [NOT CV], bird food! [NOT CV], sunflower seeds, Differential Focus, Colour, Photography, No People, Scotland, UK, Europe

CURRENT:
Bluetit, Bird, Tit, Animals Feeding, Selective Focus, Scotland, UK, Europe, Perching, Animal Behavior, Animals In The Wild, bird food, One Bird, Sunflower Hearts, Nature, Wildlife, Photography, No People, One Animal, Bird Feeder, Gripping, Sunflower Seed, Color Image, Feeding, Eating
« Last Edit: November 25, 2013, 11:04 by bunhill »

« Reply #5 on: November 25, 2013, 11:33 »
0
Is there any data regarding keyword stuffing and its negative affect on placement? An image may be gaining relevancy on the more obscure keywords which can drive it farther from its more relevant keywords.

I have been using the MOST specific and relevant keywords and much less words than before -- not maxing out to 50 words. And placing the most "important" keywords in the top position.

It seems like spamming keywords can actually hurt placement in best match.

ShadySue

  • There is a crack in everything
« Reply #6 on: November 25, 2013, 11:41 »
0

We know from what we have been advised that location is now considered more relevant than it used to be and I was reading a trends report recently about how important local information is in general. It's definitely smart if they are doing it like this.

I certainly wouldn't expect our own order to stick even from the beginning.
[snip]

OK, I see your analysis makes a vague sort of sense. I would have expected our own order to stick until it had had some 'action' from what we've been told, but they don't tell us everyrthing.

I hope that promoting locations wouldn't lead to a lot of stupidity of the sort of 'an orange isolated on white' clogging up searches of e.g. 'Scotland', because the photographer took the picture in Scotland and tagged it as such (poor keywording, even if not technically 'wrong').
« Last Edit: November 25, 2013, 11:45 by ShadySue »

« Reply #7 on: November 25, 2013, 11:47 »
0
I hope that promoting locations wouldn't lead to a lot of stupidity of the sort of 'an orange isolated on white' clogging up searches of e.g. 'Scotland', because the photographer took the picture in Scotland and tagged it as such (poor keywording, even if not technically 'wrong').

Well I have no more knowledge about this than you. But I would expect that Scotland as an important first word would tend on the whole towards having a different sort of relevance vs Scotland as an additional (location) description.

ShadySue

  • There is a crack in everything
« Reply #8 on: November 25, 2013, 12:02 »
0
I hope that promoting locations wouldn't lead to a lot of stupidity of the sort of 'an orange isolated on white' clogging up searches of e.g. 'Scotland', because the photographer took the picture in Scotland and tagged it as such (poor keywording, even if not technically 'wrong').

Well I have no more knowledge about this than you. But I would expect that Scotland as an important first word would tend on the whole towards having a different sort of relevance vs Scotland as an additional (location) description.

Good luck to the auto-system for differentiating between these.

« Reply #9 on: November 25, 2013, 12:07 »
0
Good luck to the auto-system for differentiating between these.

Best Match results for Scotland look good.

ShadySue

  • There is a crack in everything
« Reply #10 on: November 25, 2013, 12:10 »
0
Good luck to the auto-system for differentiating between these.

Best Match results for Scotland look good.

I was only giving a hypothetical (based on things I've seen in the past) not a real current example.

« Reply #11 on: November 25, 2013, 13:11 »
0
Good luck to the auto-system for differentiating between these.

Best Match results for Scotland look good.

When I search for 'Scotland' I only get 73 results.

5
of them are mine though, so I can't complain too much!

« Reply #12 on: November 25, 2013, 13:12 »
0
On second attempt I get 31170!

Still got 24 in the first 200, phew!

All old images though.

« Reply #13 on: November 25, 2013, 13:33 »
0
Still got 24 in the first 200, phew!

I see 6 of yours on the front page.

I guess that Scotland is going to be 'trending' over the next couple of years as the vote draws closer and whichever way it goes.
 

ShadySue

  • There is a crack in everything
« Reply #14 on: November 25, 2013, 14:05 »
0
Still got 24 in the first 200, phew!

I see 6 of yours on the front page.

I guess that Scotland is going to be 'trending' over the next couple of years as the vote draws closer and whichever way it goes.

I've got none in the top 200.  :'(
Imagine all the work taking UK out of all those files if it goes that way, and no idea how they'll cope with editorial, which we can't change ourselves.
But who knows which way it will go?

ShadySue

  • There is a crack in everything
« Reply #15 on: November 25, 2013, 14:09 »
0
^^ then tried again, and have nine.
There must be a randomiser in there, that I've never 'caught' before!

« Reply #16 on: November 25, 2013, 14:25 »
0
^^ I don't see any of yours in the top 200. Even if I only select photos. Tried refreshing a few times. I guess that shows that we all see something different. If it's any consolation I don't think mine are showing up much lately if my sales are anything to go by. Then again my iStock stuff isn't as good as yours and there is much less of it. I think I was lucky it ever sold even as much as it did.


 

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