Behind AI Industry— Data Labeling Services
Digital transformation has updated the global business through innovative technology. Among these, artificial intelligence (AI) has played an important role in accelerating this process and powering diverse industries such as manufacturing, medical imaging, autonomous driving, retail, insurance, and agriculture. A Deloitte survey found that in 2019, 53% of businesses adopting the AI model spent over $20 million on technology and talent acquisition.
The Surging Demand for Data Labelling Services
Thirty years ago computer vision systems could hardly recognize hand-written digits. But now AI-powered machines are able to facilitate self-driving vehicles, detect malignant tumors in medical imaging, and review legal contracts. Along with advanced algorithms and powerful compute resources, labeled datasets help to fuel AI’s development as well.
AI depends largely on data. The unstructured raw data need to be labeled correctly so that the machine learning algorithms can understand and get trained for better performance. Given the rapid expansion of digital transformation progress, there is a surging demand for high-quality data labeling services.
According to Fractovia, the data annotation market was valued at $ 650 million in 2019 and is projected to surpass $5billion by 2026. The expected market growth leads to the increasing transition of raw unlabeled data into no bias training data by the human workforce.
AI’s new workforce
Data labelers are described as “AI’s new workforce” or “invisible workers of the AI era”. They annotate a tremendous amount of raw datasets for AI model training. There are commonly 3 ways for AI companies to organize the data labeling service.
In-house
The AI enterprises hire part-time or full-time data labelers. As the labeling team is part of the company, the developers can have direct oversight of the whole annotation process. When the projects are quite specific, the team can adjust quickly. In general, it is more reasonable to have an in-house team for long-term AI projects as the data outputs should remain stable and consistent.
The cons of an in-house data labeling team are quite obvious. The labor cost is a huge fixed expense. Moreover, as the labeling loop contains many processes, such as building custom annotation tools, QC and QA, feedback mechanism, training a professional labeling team, etc., it takes time and effort to build infrastructures.
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Outsourcing
Hiring a third-party annotation service can be another option. Professional outsourced companies have experienced annotators who finish tasks with high efficiency as well. Specialized labelers can proceed with a large volume of datasets within a shorter period.
However, outsourcing may lead to less control over the labeling loop and the communication cost is comparably high. A clear set of instructions is necessary for the labeling team to understand what the task is about and do the annotations correctly. Task requirements may also change as developers optimize their models in each stage of testing.
Crowdsourcing
Crowdsourcing means sending data labeling tasks to individual labelers all at once. It breaks down large and complex projects into smaller and simpler parts for a large distributed workforce. A crowdsourcing labeling platform also implies the lowest cost. It is always the top choice when facing a tight budget constraint.
While crowdsourcing is considerably cheaper than other approaches, the biggest challenge, as we can imagine, is the accuracy level of the tasks. According to a report studying the quality of crowdsourced workers, the error rate of the task is significantly related to annotation complexity. For the basic description tasks, crowdsource workers’ error rate is around 6%, while the rate is up to 40% when it comes to sentiment analysis.
A turning point during COVID-19
Crowdsourcing has been proven beneficial during the COVID-19 crisis as in-house and outsourced data labelers are affected extremely due to lockdown. Meanwhile, people stuck indoors are now turning to more flexible jobs. Millions of unemployed or part-time workers are starting the crowdsourcing labeling work.
ByteBridge: a SAAS Labeling Platform
ByteBridge, a tech startup for data annotation service, providing high-quality and cost-effective data labeling services for AI companies.
High Quality
ByteBridge employs a consensus mechanism to guarantee accuracy and efficiency as the QA process is embedded into the labeling process.
Consensus mechanism — Assign the same task to several workers, and the correct answer is the one that comes back from the majority output.
Moreover, all the data is 100% manually reviewed.
The automated platform allows developers to set labeling rules directly on the dashboard. Moreover, developers can iterate data features, attributes, and task flow, scale up or down, make changes based on what they are learning about the model’s performance in each step of test and validation.
Developers can also check the processed data, speed, estimated price, and time.
Cost-effective
By cutting down the intermediary costs, ByteBridge offers the best value service. Transparent pricing lets you save resources for the more important parts.
End
“High-quality data is the fuel that keeps the AI engine running smoothly and the machine learning community can’t get enough of it. The more accurate annotation is, the better algorithm performance will be.” said Brian Cheong, founder, and CEO of ByteBridge.
Designed to empower AI and ML industry, ByteBridge promises to usher in a new era for data labeling and accelerates the advent of the smart AI future.
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Invisible Workforce of the AI Era was originally published in Becoming Human: Artificial Intelligence Magazine on Medium, where people are continuing the conversation by highlighting and responding to this story.
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