
Topic Trend Aggregator
Pricing
Pay per event

Topic Trend Aggregator
This actor is the central intelligence hub for a multi-pipeline news aggregation system. Its primary role is to fetch, unify, cleanse, and analyze raw news data from multiple Apify news pipeline actors, preparing a structured dataset of topical trends for downstream AI services.
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Topic Trend Aggregator Actor (topic_trend_aggregator_actor
)
This actor is the central intelligence hub for a multi-pipeline news aggregation system. Its primary role is to fetch, unify, cleanse, and analyze raw news data from multiple Apify news pipeline actors, preparing a structured dataset of topical trends for downstream AI services.
🎯 Key Features
- Dynamic Pipeline Aggregation: Fetches the most recent successful datasets from an arbitrary list of user-selected news pipeline actors (e.g., Global Markets, AI, World News).
- Data Cleansing: Performs rigorous deduplication based on article URL and title to ensure a clean, unique dataset.
- LLM-Powered Analysis (Mocked): Performs the heavy lifting for topic clustering and scoring (currently mocked for cost efficiency but designed for integration with models like OpenAI):
- Extracts Key Entities (people, organizations, concepts).
- Clusters Similar Stories into distinct, named topics (e.g., "AI Regulation").
- Assigns a Trend Score (0-100) based on article volume, source diversity, and recency.
- Structured Output: Delivers a clean, consistent JSON dataset for consumption by subsequent machine-learning and content generation actors.
⚙️ How It Fits into the Ecosystem
The topic_trend_aggregator_actor
is the analytical layer that transforms raw data into actionable intelligence. Its output directly feeds the next stages of your content generation workflow:
Downstream Actor | Purpose |
---|---|
keyword_opportunity_actor | Consumes the topics and entities to identify high-potential, long-tail SEO keywords. |
sentiment_intel_actor | Analyzes the articles within each trend to determine the prevailing sentiment (positive, negative, neutral). |
content_idea_generator_actor | Uses the final trends, scores, keywords, and sentiment to generate high-quality, data-backed content ideas. |
🛠️ Input Configuration
Field | Type | Description |
---|---|---|
pipeline_actors | array (select ) | Required. Select the news pipeline actors whose data should be aggregated (e.g., Global Markets Intelligence). |
start_date | string | Optional. Only include articles published after this date (ISO 8601 format). |
end_date | string | Optional. Only include articles published before this date (ISO 8601 format). |
runTestMode | boolean | If checked, the LLM analysis step is bypassed, and mock data is used for clustering/scoring (for development/cost saving). |
🧱 Output Example
The actor outputs a list of aggregated trends, structured as follows:
[{"topic": "AI Regulation","trend_score": 87,"category": "artificial_intelligence","entities": ["EU", "OpenAI", "Regulation", "AI"],"articles": [{"title": "EU AI Act summary for business leaders","url": "https://example.com/ai-act","source": "TechCrunch","published": "2025-10-11T08:00:00Z"}// ... more articles]}]