Home / Tech News / Google's language techniques help O2 Czech Republic reveal network secrets

Google's language techniques help O2 Czech Republic reveal network secrets

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O2 Czech Republic has demonstrated that Word2vec, a neural-network methodology evolved to know human languages, can interpret uncooked cell-tower records, probably bettering community efficiency. 

It additionally hopes to broaden the approach to discover developments in buyer geolocation.

The impartial community supplier, which licenses the O2 emblem, is creating Word2vec to triumph over the issue of messy, unreliable records due to SIM playing cards connecting to community base transceiver stations, says Jan Romportl, O2 Czech Republic leader records scientist.

“Anyone who talks to me from outdoor the trade thinks we now have were given nice geolocation records about all our consumers. When folks be told the reality, they get very dissatisfied,” he tells ZDNet.

SEE: IT professional’s information to the evolution and have an effect on of 5G generation (unfastened PDF)    

The issue is that community base stations had been by no means designed to supply significant location records. Their connections to particular person gadgets can seem somewhat random, and plenty of handovers between cells aren’t recorded.

A identified course, akin to a adventure by way of teach, seems to leap unpredictably between base stations, consistent with the recorded records, making it very tricky to pinpoint the site from this supply on my own. GPS records, in the meantime, is most effective to be had to telephone operating-system suppliers and apps with which consumers have agreed to percentage the knowledge.

The O2 Czech Republic data-science group sought after to make use of information of touch between SIM playing cards and base stations to phase its consumers in accordance with their patterns of motion, but it surely additionally sought after to make use of the knowledge to fortify community efficiency.

Having grappled unsuccessfully with those issues, the group became to Word2vec, evolved by way of researchers led by way of Tomáš Mikolov at Google, to determine if it might expose the places of the ones base stations from uncooked community records with out further tagging or interpretation.

Word2vec is a gaggle of machine-learning fashions that specific phrases as vectors, normally in 100 or extra dimensions, in accordance with research of a corpus of knowledge, such because the textual content from Wikipedia.

The method produces phrase embeddings, which records scientists can manipulate to create linguistically significant abstractions. As an example, the vector of ‘Queen’ is sort of equivalent to ‘King + Lady – Guy’.

The methodology isn’t in most cases used outdoor natural-language processing. However O2 Czech Republic’s data-science group idea it could lend a hand interpret the corpus of knowledge it collects from SIM playing cards connecting to base stations.

“We used completely no different knowledge; simply undeniable textual content of the cellular ID tokens,” Romportl says.

The group used Word2vec for each and every cellular, making a 100-dimensional vector for each and every of the 50,000 cellular IDs. The issue was once then to scale back the choice of dimensions to provide a significant interpretation of the knowledge.

Having learn analysis revealed in 2018, one records scientist at the group steered a brand new set of rules referred to as Uniform Manifold Approximation and Projection for Measurement Aid (UMAP).

“We had no thought the way it labored. We simply took the default parameters we had to cut back 100-dimensional house to a 2D house and simply did the scatter plot,” Romportl says.

They had been amazed by way of the effects.

“It was once the most productive issues I have noticed in my data-science occupation. When you turn from the scatter plot to have a look at the map of the Czech Republic, you’ll be able to see the aid was once ready to create the longitude and latitude coordinates of each and every tower,” he says.

“That records was once no longer within the authentic state. It was once only a flow of tokens. The neural community is a common set of rules for dimensionality aid. It compressed all invisible patterns into 100D house, the entire patterns that relate to the site of the bottom stations. It was once a eureka second for us.”

O2 Czech Republic already knew the site of its base stations, however the findings introduced at Teradata Universe EMEA Convention 2019 Madrid display that Word2vec can also be evolved to expose different hidden traits of the community, to lend a hand fortify its efficiency and buyer enjoy, he says.

The group could also be making plans to make use of a comparable methodology, Doc2Vec, to workforce consumers into segments in accordance with their adventure patterns, serving to outdoor companions in advertising and public-sector making plans, as an example.

Even supposing Word2vec has been used outdoor language processing, O2 Czech Republic’s technique to geospatial records is most definitely a primary, says James Kobielus, lead analyst for records science at analysis corporate Wikibon.

“Those strategies were kicking round for some time, however what the O2 individuals are doing sounds very fascinating. It isn’t the rest I have noticed performed somewhere else and so far as I will be able to inform it’s an innovation within the software of Word2vec,” he says.

SEE: Sensor’d undertaking: IoT, ML, and massive records (ZDNet particular record) | Obtain the record as a PDF (TechRepublic)

O2 Czech Republic’s paintings with Word2vec displays why records scientists must be allowed to experiment, says Torsten Volk, trade analyst at Endeavor Control Friends.

“Information scientists are uncommon and price some huge cash to rent. Companies assume they’d higher produce one thing that works, so they generally tend to make use of established ways that produce effects. However they’re usually no longer exploring and discovering new issues.”

Organizations hoping to search out price within the expanding volumes of knowledge they acquire may just have the benefit of a extra opened-ended technique to records sciences, exploring new packages of machine-learning ways, as O2 Czech Republic has performed, he says.

Or they might look ahead to the contest to do it first. 

Umap scatter plot compared to a map of the Czech Republic.

Uniform Manifold Approximation and Projection (UMAP) scatter plot in comparison to a map of the Czech Republic.


Symbol: Jan Romportl/O2 Czech Republic

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