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Turkish Natural Language Processing: Building AI That Actually Understands Your Company's Text

Turkish natural language processing lets AI classify, extract and summarise emails, requests and documents. The language's quirks, methods and pilot steps.

8 min read  · Digital Bridge Engineering Team
Turkish Natural Language Processing: Building AI That Actually Understands Your Company's Text

Turkish natural language processing (NLP) is the branch of AI that lets software understand text written in Turkish, such as emails, customer requests, contracts and reviews, so it can classify it, extract information, summarise it and answer questions about it. Because Turkish is agglutinative and everyday writing is irregular, off-the-shelf tools built for English often fall short on accuracy.

Where is text piling up in your business?

Most businesses handle dozens, often hundreds, of pieces of text every day: customer emails, WhatsApp messages, support tickets, survey comments, tender files, contracts. Most of it is read by a person and keyed in somewhere by hand. Which department should get the request, is it a complaint or a question, does it contain a tax number or an order number? All of that depends on whoever is reading. Citizen petitions to municipalities carry the same reading load; examples are in AI in local government.

NLP takes over the reading. It routes requests by topic, pulls out key fields (dates, amounts, products, people, organisations), summarises long documents and searches by meaning rather than keywords. The same technology sits underneath applications such as a customer service chatbot or an enterprise LLM assistant. Doing it well in Turkish, though, means taking the language's own features into account.

The cost of doing nothing: plenty of text, little use of it

Text processing is not widespread even in Europe. According to Eurostat's "Use of artificial intelligence in enterprises" report, 11.75% of EU enterprises with 10+ employees used AI to analyse written language (text mining) in 2025, making it the most common AI technology. Even the most widely used type of AI reaches fewer than one business in eight.

In Türkiye the main barriers are expertise, cost and legal uncertainty rather than technology. TurkStat's AI Statistics 2025 show that among enterprises that considered but did not use AI, 74.2% cited a lack of expertise, 67.4% high costs and 62.4% unclear legal consequences. In the Ministry of Trade's E-Commerce Outlook Report 2025 survey of e-commerce businesses, the two biggest barriers were legal uncertainty (70.3%) and data privacy and security concerns (70.2%).

A badly built system has costs of its own:

According to the Stanford AI Index 2026, hallucination rates across 26 leading models on the AA-Omniscience knowledge benchmark ranged from 22% to 94%. (Stanford HAI AI Index Report 2026)

A language model that is not grounded in your own data, and goes live without being measured, will misclassify text or invent information. An NLP project should therefore start from a measurable task, not from "let's plug in a model".

Why Turkish is a hard language for machines

Four features of Turkish directly affect accuracy:

  • Agglutination. "Siparişlerinizden" ("from your orders") is a single word carrying a root plus plural, possessive and case suffixes. One root can appear in hundreds of forms, so methods that simply count words run out of road quickly.
  • Flexible word order. "Faturayı dün gönderdik" and "Dün gönderdik faturayı" both mean "we sent the invoice yesterday". The model has to follow meaning, not position.
  • Informal spelling. Customers drop Turkish characters (ı/i, ş/s, ğ/g), abbreviate and misspell: "kargom nerde" ("where's my parcel"), "iade yapcam" ("gonna return it"). A model trained only on formal text misses this register entirely.
  • Mixed language and jargon. Business Turkish mixes English terms, product codes and in-house abbreviations. A logistics firm's "konşimento" (bill of lading) or a hospital's "epikriz" (discharge summary) must be recognised. We cover both sectors in AI in logistics and warehousing and AI in hospital operations.

Scanned documents add a further step: text must first be read from the image. We cover that stage in OCR invoice processing.

Choosing a method for Turkish natural language processing

Not every job needs the largest model. The task, the amount of data and the privacy requirement decide the approach:

MethodWhen it fitsStrengthWeakness
Rules and patterns (regex, dictionaries)Fixed-format fields: tax ID, IBAN, order numberFast, explainable, cheapBrittle on free text
Classic machine learningClassification with labelled historyLightweight, runs on-premiseNeeds feature engineering
Fine-tuning pre-trained Turkish modelsCompany-specific classification, entity recognitionOften the highest accuracy on company language; data can stay in-houseNeeds labelled data and training
Large language model + your documents (RAG)Summaries, Q&A, free-form answersQuick start with little dataCost, privacy and hallucination to manage

In practice a hybrid usually wins: fixed-format fields by rule, topic classification by a fine-tuned model, open questions by a large language model; meaning-based search across documents is the subject of AI enterprise search. When off-the-shelf models are not enough, see our guide to custom AI model training.

An NLP project, step by step

  1. Pick one task. Something measurable, such as "sort incoming requests into six topics" or "extract parties, term and penalty clause from contracts". "Understand our text" is not a goal. For concrete first tasks, see AI email classification and AI contract review.
  2. Collect sample data. Take real text from recent months and mask personal data. Decide what may reach the model using the principles in AI and KVKK, Türkiye's data protection law.
  3. Build a gold set. Have people who know the work label a few hundred texts with the correct answer. Every method is measured against it, and consistent labels depend on clean data (data quality and duplicates).
  4. Compare methods. Test rules, a fine-tuned model and a large language model on the same set, and check precision and recall per class. An average accuracy figure can hide failure on a rare but important class.
  5. Keep a human in the loop. Texts the model is unsure about go to a person, and the corrections become training data for the next round.
  6. Connect and monitor. Output only creates value once it is written to email, CRM or the document system. After go-live, measure accuracy monthly and update the model as language and product range change.

How we do this at Digital Bridge

  • Discovery and requirements analysis. Together we map where text accumulates, who reads it, where it is keyed in and what errors cost. You then receive a written proposal covering scope, phases and cost.
  • Pilot. We start with one task and a gold set, measure several methods on the same data and show you the results side by side.
  • Model and application. For customer-facing scenarios we use our chatbot and NLP service; for internal documents and procedures, our enterprise LLM assistant. Where company-specific classification or entity recognition is needed, we train the model on your data through custom AI model training, running it on your own infrastructure if required.
  • Document input. For scanned paperwork we place a document OCR layer in front of the NLP.
  • Integration and monitoring. Results are written into your email, CRM, ERP or document system, and accuracy is tracked on live data.

If most customer messages arrive on WhatsApp, read our WhatsApp business chatbot guide; if you want to process call recordings, see Turkish speech to text for business.

A ready-made example: Smart360

In our own Smart360 family, NLP is built into everyday work. SmartMail summarises incoming mail and automatically classifies it as communication, invoice/payment, quote/tender, official correspondence, promotion or update; users can ask questions about a message and translate it into 30 languages. From an invoice PDF attachment it extracts the parties, dates, totals and tax number without the file being downloaded.

SmartFiles analyses each uploaded document without anyone asking and produces a four-part report: Summary, Key Points, Structure and Notable Details. Users can ask questions of a single document or a whole folder. Before commissioning a bespoke NLP project, it is worth checking how much of your email and document workload these products already cover; our article on AI document analysis gives examples.

Next step

Choose the one channel where text weighs heaviest, collect a week of samples and write down what currently happens to them. Then contact us and we will measure, through a pilot, which method works on your data. For other use cases, read where to start with AI in business and browse our Artificial Intelligence hub.

Let us look at your case

Tell us about your process; after a needs analysis we send a written proposal with scope, phases and cost.

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Questions we hear most often

Frequently Asked Questions

Is natural language processing the same as ChatGPT?

No. Natural language processing is the broad field of computers handling human language: text classification, entity recognition, sentiment analysis, summarisation and search all belong to it. Large language models such as ChatGPT are one tool within that field. Many business tasks can be solved more cheaply with smaller models that run on your own infrastructure.

How much data does Turkish NLP need?

It depends on the task. Extracting fixed-format fields needs rules, not data. For topic classification, a few hundred labelled examples per class is often a good starting point when fine-tuning a pre-trained Turkish model. Question answering with a large language model needs well-organised, up-to-date documents rather than labelled data.

Is there a data protection risk in sending company text to an AI model?

Yes. Text may contain personal data about customers, staff or suppliers. You need to define why and on what legal basis the data is processed, where it is stored and whether it goes to a service abroad; sending it to such a service is subject to KVKK's rules on transfers abroad. Masking personal data, using models hosted in-house and restricting access by role all reduce the risk considerably.

How is accuracy measured?

People who know the work label a gold set with the correct answers, and the model is tested against it. For classification you look at precision and recall per class; for extraction, accuracy per field. Measurement should continue after go-live, because customer language and product ranges change over time.

Can it understand messages full of typos and abbreviations?

A model trained or tested on real customer messages can. If "kargom nerde" and a formal order status request are labelled as the same intent, the model learns the link. Off-the-shelf models trained on formal text struggle with everyday writing, which is why a pilot should always use your own messages.

Which industries use Turkish natural language processing?

Any industry where text piles up. Customer service and e-commerce teams route requests by topic; logistics firms extract fields from bills of lading and customs paperwork; law firms and accountancy practices summarise contracts and correspondence; hospitals pull information from discharge summaries. The common thread is Turkish text that someone currently reads and keys into a system by hand.

What determines the timeline and cost of a Turkish NLP project?

Four factors: the scope of the task, whether labelled data already exists, whether the model runs in the cloud or on your own infrastructure, and which systems the results must be written to. A pilot built around one task keeps scope and risk small, and once the method and data needs are clear, later phases can be planned more accurately. That is why discovery ends with a written scope, phasing and cost.

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