Build reliable training sets with a
Data Curation Specialist team

Abaka combines scholar-grade reviewers, secure pipelines, and Abaka Forge workflows to curate multimodal datasets your team can train on—faster, cleaner, and audit-ready.

When curation is ad hoc, model progress slows for reasons that are hard to diagnose: duplicated samples inflate tokens, noisy labels leak into evaluation sets, and inconsistent schemas break downstream tooling. Teams often lose 2–4 weeks per release chasing “mystery regressions” that are really dataset drift, leakage, or low-signal samples. Even a 5% contamination rate in your holdout set can mislead selection decisions and waste compute spend. The longer the dataset grows without governance, the more expensive rework becomes—and the harder it is to prove provenance and compliance.

Abaka gives you a dedicated data curation specialist workflow—built for frontier AI—so your datasets stay clean, structured, and measurable. Using Abaka Forge, we implement ingestion rules, deduplication, filtering, taxonomy/ontology alignment, and golden-set controls across text, image, video, and 3D. Your team gets consistent schemas, multi-layer QA, and clear acceptance criteria tied to your training and evaluation loops. With SOC 2 and ISO 27001 practices, strict NDAs, and full IP provenance, you can move faster while keeping your data exclusively yours.

The Data Curation Specialist Bottleneck

01

Quality Decay

As raw data volume grows, quality falls unless curation is systematic. Duplicates, near-duplicates, and inconsistent labeling guidelines quietly accumulate, reducing signal-to-noise and creating misleading eval results. A small 3–5% slice of mislabeled or low-quality content can dominate failure cases in long-tail scenarios. Abaka sets measurable quality gates (sampling plans, rubric-based reviews, and golden sets) and enforces them through Abaka Forge so every batch is curated to consistent standards before it touches training.

02

Volume Walls

Curation breaks when a small internal team becomes the throughput limiter: ingestion, filtering, metadata normalization, and review queues pile up. At scale, even “quick checks” become expensive—one reviewer can only process so many items per day, and rushing invites errors. Abaka provides elastic staffing and workflows that respect realistic human throughput (e.g., 500 files/day per annotator maximum) while using automation assists for dedup and pre-filtering, so your curated dataset scales without sacrificing control.

03

Compliance Friction

Without provenance and governance, shipping curated datasets becomes a legal and security bottleneck. Teams need to answer: where did this data come from, what rights do we have, and who touched it? Audits can stall launches for 2–6 weeks when documentation is incomplete. Abaka runs segregated secure pipelines, supports GDPR/CCPA-aligned processes, and maintains full IP provenance (0% copyright risk on collected data) so your curated outputs are traceable, access-controlled, and review-ready.

01

Ingest, normalize, and index heterogeneous raw data

We stand up repeatable ingestion pipelines for text corpora, chat logs, images, video clips, and sensor exports. Your data curation specialist workflow includes metadata extraction, filename conventions, timestamp normalization, and dataset versioning. Abaka Forge supports structured task queues and audit trails so your team can trace inputs to outputs. Common sources include enterprise knowledge bases, support tickets, product telemetry exports, and curated web/partner drops—kept segregated to preserve provenance and access controls.

02

De-duplicate and de-contaminate training and eval splits

We remove exact duplicates and near-duplicates, then enforce split hygiene to prevent leakage between train/validation/test. For LLM datasets, we curate instruction sets with similarity checks and policy-based filtering; for vision/video, we manage frame and clip-level redundancy. Abaka Forge workflows make dedup decisions reviewable, with escalation paths for edge cases. The result is cleaner training signal and more trustworthy evaluation—especially for high-stakes domains like medicine, finance, and autonomous driving.

03

Policy-based filtering for safety, bias, and scope

Curation is more than removing noise—it’s enforcing scope. We implement inclusion/exclusion rules for sensitive content, unsafe instructions, PII-adjacent artifacts, and off-domain samples. For model safety programs, we curate “challenge sets” and controlled red-team corpora with clear rubrics. Abaka’s secure pipelines and strict NDAs support regulated workflows, while Abaka Forge logs every decision and reviewer action. Your team gets datasets aligned to your intended use cases and risk posture.

04

Taxonomy and ontology design for consistent labeling

Inconsistent schemas create downstream chaos: mismatched class definitions, ambiguous attributes, and incompatible exports. We design or refine taxonomies/ontologies for tasks like entity types, intent hierarchies, visual attributes, and robotics scene objects. Abaka’s domain reviewers (medicine, law, business, languages, mathematics, coding) help validate definitions and edge cases. Abaka Forge then enforces the schema in production so curated datasets remain consistent across teams, countries, and time.

05

Golden sets, adjudication, and continuous QA loops

We build golden sets and calibration packs to keep reviewers aligned and to measure drift over time. Your curation program includes double-review, adjudication workflows, and error taxonomies that turn disagreements into updated guidelines. For LLM training and evaluation, we curate high-leverage samples (reasoning, coding, instruction following) and maintain stable holdout sets. With Abaka Forge, you can monitor acceptance rates and failure modes per batch—so quality improves release over release.

06

Multimodal curation across text, vision, video, and 3D

Modern models require consistent curation across modalities: aligned captions, synchronized timestamps, and coherent metadata between sensor streams. We curate image-text pairs, video clips with spatial reasoning prompts, and 3D/4D sequences for embodied AI and robotics. Abaka Forge supports these modalities in one system, enabling unified QA standards and export formats. Teams building assistants, perception stacks, and agent policies can keep datasets aligned even as modalities expand.

07

IP provenance, dataset governance, and access controls

A data curation specialist must deliver not only clean data, but defensible data. Abaka maintains full IP provenance and runs segregated secure pipelines with SOC 2 and ISO 27001-aligned controls. We support GDPR and CCPA requirements, strict NDAs, and role-based access for reviewers. This reduces approval cycles and avoids late-stage rework when a dataset’s origin or rights cannot be proven. Your data remains exclusively yours—never repurposed or resold.

08

Versioned exports and integration with your ML stack

We deliver curated datasets in formats that plug into your training, evaluation, and analytics tooling: JSONL for text, COCO-style for vision, and structured manifests for multimodal packages. Every delivery is versioned with changelogs: what was added, removed, or reclassified, and why. Abaka Forge provides workflow state, reviewer notes, and QA summaries so your ML engineers can reproduce results. This closes the loop between curation decisions and observed model behavior.

Why Outsource Data Curation Specialist Work

01

Faster Delivery

Stand up a production curation program in days—not quarters. Abaka brings ready-to-run workflows in Abaka Forge, trained reviewers, and QA playbooks so you can deliver curated batches on a predictable cadence, including weekly drops.

02

Direct Savings

Reduce internal context-switching and rework. Instead of pulling ML engineers into manual triage, you get a dedicated curation lane with clear acceptance criteria and adjudication, lowering downstream training failures and wasted compute cycles.

03

Risk Reduction

Abaka’s SOC 2 and ISO 27001 practices, strict NDAs, segregated pipelines, and full IP provenance reduce security and provenance risks. Your curated dataset is audit-ready and governed from day one.

04

Elastic Scalability

Scale curation capacity up or down as releases change. Abaka can expand reviewer coverage across 50+ countries and multiple domains without breaking schema consistency or QA standards.

05

Domain Expertise

Use scholar-network reviewers for high-stakes curation: medicine, law, business, mathematics, coding, and languages. This is critical when filtering ambiguous content or defining taxonomies that must hold up under expert scrutiny.

06

Innovation Velocity

Move beyond “cleaning” into iterative dataset design: targeted hard-negative mining, challenge sets, and rubric evolution. You get a curation partner focused on measurable improvements in training signal over time.

Industries We Serve

Automotive

Curate perception and planning datasets with strict split hygiene and scenario coverage tracking. We help teams manage lane, signage, and edge-case catalogs, plus consistent metadata across camera and LiDAR streams for training and evaluation.

GenAI / Foundation Models

Build instruction corpora, reasoning sets, and eval holdouts with contamination control. We curate multilingual prompts, domain Q&A, and safety-sensitive content with rubric-based reviews and versioned releases your research team can reproduce.

Embodied AI / Robotics

Curate multimodal sequences for agents: task definitions, observations, and success criteria. We align timestamps, normalize scene taxonomies, and maintain clean train/eval splits for policy learning and real-world deployment readiness.

Healthcare

Curate clinical-like text and imaging workflows with controlled vocabularies and expert review. We focus on provenance, access controls, and defensible filtering policies so your team can train safely without dataset leakage or schema drift.

Retail

Curate product catalogs, search logs, and customer support transcripts for ranking and assistants. We standardize attributes, remove duplicates, manage taxonomy changes over time, and deliver consistent exports for training and A/B evaluation.

Finance

Curate analyst notes, filings, chat transcripts, and policy-sensitive content with strict governance. We enforce schema consistency, handle multilingual sources, and design evaluation sets that reduce hallucination risk in customer-facing workflows.

Geospatial

Curate maps, satellite imagery metadata, and sensor fusion packages for detection and change analysis. We normalize coordinates, timestamps, and labeling schemas, producing versioned datasets that remain comparable across regions and seasons.

Security / Defense

Curate sensitive datasets with segregated pipelines, strict access controls, and auditable workflows. We help define taxonomies and filtering policies for high-risk content, ensuring traceability from raw input to curated outputs.

Agriculture / Industrial

Curate field imagery, IoT logs, and inspection footage for quality control and forecasting. We standardize metadata, remove redundancy, and maintain challenge sets for rare failures—so models generalize across sites and equipment.

How It Works

1) Day 0–3 — Scope, schema, and acceptance criteria

We align on your target use case (training, evaluation, or both), define the curation rubric, and finalize taxonomy/ontology and split rules. Abaka sets QA targets, sampling plans, and delivery formats (e.g., JSONL, COCO-style, manifests). We also confirm security requirements (NDA, access controls, segregated pipeline) and what “done” means for the first batch.

2) Week 1–2 — Ingest, filter, and build the first curated batch

We ingest your raw data, normalize metadata, and run policy-based filtering and deduplication. Reviewers validate edge cases and document decisions inside Abaka Forge. For ambiguous categories, we run calibration rounds and update guidelines fast. You receive a versioned delivery plus QA notes so your ML team can immediately begin training or evaluation.

3) Week 2–3 — QA hardening and split hygiene verification

We add multi-layer QA: double review where needed, adjudication for disagreements, and golden-set checks for drift. We verify no leakage between splits and refine filtering thresholds based on observed model or eval behavior. Deliverables include changelogs (adds/removes), error taxonomies, and a stable holdout recommendation if you need one.

4) Ongoing — Continuous curation and dataset governance

As your data grows, we keep it governed: new ingestions follow the same schema, policies, and provenance rules. We monitor taxonomy changes, maintain golden sets, and ensure consistent exports for downstream tools. Your team gets a reliable, repeatable curation lane that supports steady iteration without accumulating debt.

5) Weekly — Release cadence, reporting, and change requests

Each week we deliver curated increments with QA summaries, acceptance rates, and open questions. Change requests (new labels, new filters, new edge-case categories) are handled through a tracked workflow so nothing silently shifts. This keeps training runs comparable across time and helps your researchers explain improvements with dataset evidence.

Modality & Format Coverage

Your data curation specialist workflow should cover every modality your models learn from. Abaka Forge supports unified curation, QA, and export across text, RLHF, vision, video, 3D, sensor fusion, and audio.

ModalityAnnotation TypesToolsOutput Formats
TextCorpus filtering and policy screening; taxonomy/ontology normalization; dedup and near-dup clustering; golden-set creation; train/eval split hygieneAbaka ForgeJSONL; CSV/TSV; Parquet; UTF-8 TXT; dataset manifests
LLM RLHFPreference ranking; rubric-based scoring; instruction following checks; safety and bias audits; model-as-judge calibration supportAbaka ForgeJSONL conversations; pairwise preference JSON; score tables (CSV); prompt templates; audit logs
ImageDataset cleaning and de-dup; caption QA; attribute schema alignment; hard-negative curation; sensitive-content filteringAbaka ForgeCOCO-style JSON; JSONL; CSV labels; image manifests; zipped deliverables
VideoClip selection and trimming; frame/clip dedup; temporal event curation; spatial reasoning prompt packs; QA sampling and adjudicationAbaka ForgeMP4/WEBM manifests; JSON timestamps; COCO-video style JSON; CSV event tables; dataset changelogs
3D/4D Point CloudScene selection and coverage planning; object taxonomy normalization; sequence integrity checks; drift monitoring; curated eval set creationAbaka ForgePLY/PCD; sequence manifests; JSON annotations; CSV metadata; versioned release bundles
LiDAR + Camera fusionSensor alignment QA; timestamp synchronization checks; scenario filtering; split hygiene across drives; metadata normalization (calibration, poses)Abaka ForgeSensor manifests; JSON calibration metadata; frame indexes (CSV); synchronized package bundles; QA reports
AudioAudio cleaning and segmentation; transcript normalization; speaker and domain tagging; sensitive-content filtering; eval set curationAbaka ForgeWAV/FLAC manifests; JSON transcripts; CSV segments; TextGrid (where needed); dataset release notes

Success Story

A leading GenAI evaluation team

The team’s model scores were unstable release-to-release, even when architecture changes were minimal. Investigation pointed to dataset issues: duplicated instructions across splits, shifting rubrics between evaluators, and mixed-quality sources in the training corpus. Internal reviewers were overloaded, and each cleanup cycle took weeks, delaying experiments and making it difficult to trust whether improvements were real. The team needed a repeatable data curation specialist process with governance, provenance, and clear acceptance criteria tied directly to their evaluation framework.

Abaka implemented a governed curation pipeline in Abaka Forge: ingestion rules, metadata normalization, deduplication and split hygiene checks, and rubric-based reviewer calibration. We created a golden set for scoring stability and added adjudication for disagreements so rubric drift became visible and correctable. For high-impact subsets (reasoning, coding, instruction-following), we introduced targeted filtering and hard-negative selection, with versioned exports and changelogs. Security and provenance controls were enforced through segregated pipelines and strict NDAs so curated releases were audit-ready.

Within the first delivery cycle, the team gained a stable, versioned dataset and a repeatable weekly release cadence. Dedup and leakage controls reduced confusing regressions, while golden-set monitoring kept rubrics consistent across reviewers. The research team shipped evaluation updates faster and spent less time on manual triage, with curated batches that were easier to reproduce across runs. Outcomes included a 2–3 week reduction in dataset prep time per iteration, a measurable drop in duplicate content, and curated reviewer throughput aligned to realistic limits (up to 500 files/day per annotator).

2–3 weeks
Faster dataset preparation per iteration
99%
QA targets supported via multi-layer review
50+
Countries for scalable reviewer coverage

By the Numbers

2019
Founded — trustworthy data partner for frontier AI
1,000+
Enterprise and research customers supported
50+
Countries in our global delivery footprint
99%
Accuracy target with multi-layer QA programs

What Customers Say

We kept blaming the model for regressions, but the real issue was dataset leakage and inconsistent rubrics. Abaka’s curation workflow gave us versioned releases, clear change logs, and a golden set that made our evals stable again.

Director of Applied MLFrontier Model Lab

The taxonomy work was the turning point. Once Abaka standardized definitions and enforced them in the workflow, our downstream training jobs stopped breaking on schema mismatches and we could finally compare results week over week.

Head of Data PlatformsEnterprise AI Software Company

We needed curation capacity without sacrificing governance. Abaka scaled reviewers quickly, kept QA tight with adjudication, and delivered exports our engineers could plug into training immediately. The operational overhead dropped a lot.

ML Engineering ManagerRobotics Company

Security and provenance were non-negotiable for us. The segregated pipeline, access controls, and clear provenance trail gave our stakeholders confidence to approve new datasets without weeks of back-and-forth reviews.

Data Governance LeadRegulated Financial Services Firm

Why Choose Abaka

01

A data curation specialist partner that protects your IP and your pace.

Abaka is built for frontier AI teams that need fast iteration without compromising governance. We operate with strict NDAs, segregated secure pipelines, and full IP provenance—your data is exclusively yours and never repurposed, resold, or shared. With Abaka Forge, you get an auditable workflow from ingestion to export, plus multi-layer QA and adjudication that turns disagreements into better guidelines. The result is curated datasets your team can trust—and ship on a steady cadence.

02

Human Intelligence — Data for Frontier AI

Your models improve when your data improves. Abaka combines expert reviewers with operational rigor so curation decisions are consistent, reviewable, and tied to measurable acceptance criteria across modalities.

03

We never compete with you

Abaka does not build models that compete with your team. Our incentives stay aligned: deliver clean, governed datasets and evaluation assets that strengthen your product and research roadmap.

04

Abaka Forge workflows with audit trails

Run curation as a system: tracked queues, reviewer notes, escalation paths, adjudication, and versioned deliveries. Abaka Forge supports collection, cleaning, annotation, and production so you can operationalize curation end-to-end.

05

Compliance-forward delivery by default

SOC 2 and ISO 27001 practices, plus GDPR/CCPA-aligned processes, help reduce approval friction. We build datasets with provenance and access controls from day one—so audits don’t become last-minute blockers.

06

Scale globally without losing consistency

Abaka supports global delivery across 50+ countries while maintaining consistent schemas and QA. Whether you need multilingual curation, domain expertise, or rapid throughput changes, we keep your dataset coherent across teams and time.

Frequently Asked Questions

How much does a data curation specialist service cost?
Pricing depends on modality, domain depth, and whether you need expert review, RLHF-style grading, or intensive cleaning. For labor-based work, common reference rates include STEM Generalist reviewers at $12/hr and LLM Math/Coding specialists at $18/hr. For specific vision/AV tasks that bundle curation with labeling, road lane work can be priced at $3/km, and dense captioning at $6/hr. We’ll scope your dataset, QA targets, and weekly throughput, then propose a clear plan with deliverables and acceptance criteria.
How fast can you start and deliver the first curated dataset batch?
Most teams can start within Day 0–3 for scoping, schema, and security setup, then receive a first curated batch within Week 1–2. Timing depends on raw data readiness, number of sources, and how strict the filtering and split hygiene rules need to be. If you already have guidelines and a target format, we move faster; if you need taxonomy design and golden sets, we’ll spend more time on calibration. We can also run a pilot first to validate quality and throughput before scaling.
What modalities and output formats do you support for curated datasets?
We support text, LLM RLHF workflows, images, video, 3D/4D point cloud, LiDAR + camera fusion packages, and audio. Outputs are delivered in practical formats like JSONL, CSV, Parquet, manifests, and modality-specific structures (e.g., COCO-style JSON for vision, timestamped JSON for video, and PLY/PCD bundles with metadata for 3D). Abaka Forge keeps the pipeline auditable and versioned, so your team can reproduce a release and understand what changed between dataset versions.
What accuracy or quality levels can you achieve in data curation?
Quality is enforced through measurable acceptance criteria rather than vague “cleanup.” Abaka programs commonly target up to 99% accuracy with multi-layer QA, using calibration packs, golden sets, and adjudication for disagreements. The right target depends on task risk: safety-sensitive evaluation sets typically require stricter review and higher sampling rates than broad pretraining corpora. We also track error taxonomies (what failed and why) so guideline updates are driven by data, not opinion, and quality improves over time.
How do you keep our data secure during curation?
We operate with strict NDAs, segregated secure pipelines, and compliance practices aligned with SOC 2 and ISO 27001. Access is role-based, reviewer activity is logged, and dataset versions are traceable from raw input to curated output. We also support GDPR and CCPA-aligned processes when applicable. Importantly, we maintain full IP provenance and ensure your data remains exclusively yours—never repurposed, resold, or shared—so security and ownership are protected throughout the project.
Can you curate multilingual datasets and non-English corpora?
Yes. Abaka supports multilingual curation with reviewer coverage across 50+ countries. We can normalize language-specific metadata, enforce consistent taxonomies across locales, and apply language-aware filtering rules for safety and scope. For LLM datasets, we can curate instruction sets and evaluation prompts in multiple languages while maintaining split hygiene and provenance. If you need domain expertise (medical, legal, business) in specific languages, we’ll match reviewers accordingly and calibrate rubrics to reduce cross-locale inconsistency.
How is Abaka different from other data labeling and curation vendors?
First, Abaka is explicitly aligned with your outcomes: we never build models that compete with you, and your data is exclusively yours—never repurposed or resold. Second, we focus on governed curation (dedup, filtering, taxonomies, golden sets, split hygiene) rather than just raw throughput. Third, Abaka Forge provides an auditable workflow across modalities, enabling repeatable releases and clear change logs. Finally, our reviewer network includes specialized domains like coding, mathematics, medicine, and law for high-stakes curation decisions.
What if we need change requests after the curation guidelines are set?
Change requests are expected, especially as model behavior reveals new failure modes. We handle changes through a tracked workflow: updated label definitions, new exclusion rules, revised taxonomies, or new evaluation subsets. We’ll assess impact on previously delivered batches and propose either a forward-only change (applies to new data) or a backfill plan (reprocess historical data). Every release remains versioned with a changelog so your team can attribute performance shifts to dataset changes rather than guessing.
Can we run a small pilot before committing to a full program?
Yes. A pilot is often the fastest way to validate quality, reviewer calibration, and delivery format. We typically pilot a representative slice of your data, including edge cases, then deliver a versioned curated batch with QA summaries and recommendations. The pilot helps confirm acceptance criteria, split hygiene approach, and ongoing cadence. After the pilot, you can scale with confidence—keeping the same schema, policies, and workflows—without restarting from scratch.
Who owns the curated dataset and the derived artifacts?
You do. Abaka’s operating principle is clear: your data is exclusively yours and is never repurposed, resold, or shared. We maintain provenance and audit trails so ownership and transformation steps are traceable. Deliverables such as curated datasets, taxonomies, guidelines, and QA reports are produced for your project and delivered back to you in versioned releases. If you require additional contractual language around IP and access controls, we can align during the initial security and legal review.
What tools do you use for data curation and QA workflows?
We use Abaka Forge—our all-in-one platform for collection, cleaning, annotation, training support, and production workflows. For curation, Forge provides tracked queues, reviewer assignment, rubric templates, adjudication, audit logs, and versioned exports across modalities (text, RLHF, image, video, and 3D/4D). This reduces operational overhead and prevents “spreadsheet governance.” If your team has existing storage, labeling tools, or MLOps pipelines, we can integrate via structured exports and agreed delivery conventions.
What is the minimum dataset size you can help curate?
There is no strict minimum—small datasets can be the most valuable when they’re high-leverage evaluation sets or safety challenge sets. We can curate from a few hundred to millions of items, depending on modality and review depth. For small starts, we recommend focusing on a representative slice with edge cases to validate taxonomy and guidelines, then scaling. Because quality depends on calibration, we’ll include a golden-set and QA plan even for smaller engagements to keep results consistent and measurable.

Ready to Get Started?

Annotate the Present. Train the Future.