DEV Community

Pulsebit News Sentiment API
Pulsebit News Sentiment API

Posted on

Your Pipeline Is 23.1h Behind: Catching Real Estate Sentiment Leads with Pulsebit

Your Pipeline Is 23.1h Behind: Catching Real Estate Sentiment Leads with Pulsebit

We recently uncovered an intriguing anomaly: a 24h momentum spike of +0.709 in the real estate sector. This spike is particularly noteworthy, driven by a singular narrative from the English press, suggesting potential shifts in local market sentiment. The article titled "ULI NWA releases ‘emerging trends’ report on local real estate - KNWA FOX24" highlights emerging trends that could influence investor decisions. This spike indicates a significant sentiment shift that you might have missed if your pipeline isn't built to handle multilingual origins or entity dominance.

English coverage led by 23.1 hours. Af at T+23.1h. Confidenc
English coverage led by 23.1 hours. Af at T+23.1h. Confidence scores: English 0.75, Id 0.75, Spanish 0.75 Source: Pulsebit /sentiment_by_lang.

The Problem

If your sentiment analysis pipeline doesn’t account for these nuances, you might find yourself lagging behind by a staggering 23.1 hours. In this case, the leading language is English, with the dominant entity being NWA. When sentiment spikes like this go unnoticed, you risk missing critical insights that could inform your trading or investment strategies. The implications are significant: your models could be missing actionable data just because they aren't set up to filter effectively by language or to recognize emerging narratives.

The Code

To catch this momentum spike, we can leverage our API effectively. Below is the Python code that helps us identify this anomaly based on specified parameters.

First, we need to filter our query by language. Here’s how to do it:

import requests

# Define the parameters for the API request
params = {
    "topic": "real estate",
    "score": -0.021,
    "confidence": 0.75,
    "momentum": +0.709,
    "lang": "en"  # Filter for English language
}

# Make the API call
response = requests.get("https://api.pulsebit.com/your-endpoint", params=params)
data = response.json()
print(data)
Enter fullscreen mode Exit fullscreen mode

Left: Python GET /news_semantic call for 'real estate'. Righ
Left: Python GET /news_semantic call for 'real estate'. Right: returned JSON response structure (clusters: 3). Source: Pulsebit /news_semantic.

Next, we need to analyze the narrative framing itself. We can run the cluster reason string back through our sentiment analysis endpoint as follows:

# Input example for meta-sentiment
meta_sentiment_input = "Clustered by shared themes: nwa, releases, ‘emerging, trends’, report."

# Make the POST request to analyze the meta sentiment
response_meta = requests.post("https://api.pulsebit.com/sentiment", json={"text": meta_sentiment_input})
meta_sentiment_data = response_meta.json()
print(meta_sentiment_data)
Enter fullscreen mode Exit fullscreen mode

This two-step approach allows us to filter relevant data and understand the sentiment context around emerging narratives in real estate.

Three Builds Tonight

Here are three specific builds we can implement using this momentum spike pattern:

  1. Geo-Focused Alert System: Set a threshold for momentum spikes greater than +0.5, specifically filtering for English language news articles. This will ensure you stay ahead of emerging trends in real estate.

  2. Enhanced Narrative Scoring: Utilize the meta-sentiment loop on cluster reasons. By analyzing the string "Clustered by shared themes: nwa, releases, ‘emerging, trends’, report," we can derive sentiment scores that help us understand how narrative framing is impacting market perception.

  3. Real-Time Sentiment Dashboard: Create a dashboard that visualizes sentiment trends for real estate by comparing forming themes like "real(+0.00)" and "estate(+0.00)" against mainstream terms like "nwa, releases." This will help you to quickly see where sentiment is shifting in the market.

Get Started

Dive deeper into this with our documentation at pulsebit.lojenterprise.com/docs. You can copy-paste and run the above code in under 10 minutes, allowing you to capture valuable insights without unnecessary complexity.

Geographic detection output for real estate. India leads wit
Geographic detection output for real estate. India leads with 3 articles and sentiment -0.63. Source: Pulsebit /news_recent geographic fields.

Top comments (0)