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{% block title %}Vector Embeddings & Semantic Search - NLP Ultimate Tutorial{% endblock %}
{% block content %}
<div class="container">
<!-- Header Section -->
<div class="row mb-4">
<div class="col-12">
<div class="card">
<div class="card-header">
<h1 class="mb-0">
<i class="fas fa-project-diagram"></i>
Vector Embeddings & Semantic Search
</h1>
</div>
<div class="card-body">
<p class="lead">Convert text into numerical representations and perform semantic search to find meaningfully similar content.</p>
<div class="alert alert-info">
<i class="fas fa-info-circle"></i>
<strong>About:</strong> Vector embeddings convert text into numerical representations where similar texts are placed closer together in a high-dimensional space.
</div>
</div>
</div>
</div>
</div>
{% include "_analysis_nav.html" %}
<!-- Input Section -->
<div class="row mb-4">
<div class="col-12">
<div class="card">
<div class="card-header">
<h3 class="mb-0">
<i class="fas fa-keyboard"></i>
Enter text to analyze:
</h3>
</div>
<div class="card-body">
<div class="row mb-3">
<div class="col-md-8">
<textarea id="textInput" class="form-control" rows="6" placeholder="Enter text to analyze with vector embeddings...">The International Space Station (ISS) is a modular space station in low Earth orbit. It is a multinational collaborative project involving five space agencies: NASA (United States), Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada). The ownership and use of the space station is established by intergovernmental treaties and agreements. The ISS serves as a microgravity and space environment research laboratory in which scientific research is conducted in astrobiology, astronomy, meteorology, physics, and other fields.</textarea>
</div>
<div class="col-md-4">
<label for="sampleSelect" class="form-label">Or choose a sample:</label>
<select id="sampleSelect" class="form-select">
<option value="Custom">Custom</option>
<option value="Space Station">Space Station</option>
<option value="Python">Python</option>
<option value="Climate">Climate</option>
</select>
</div>
</div>
<div class="d-flex justify-content-between align-items-center">
<div>
<button id="processBtn" class="btn btn-primary btn-lg">
<i class="fas fa-project-diagram"></i>
Generate Embeddings
</button>
</div>
<div>
<button id="clearBtn" class="btn btn-outline-secondary">
<i class="fas fa-trash"></i>
Clear
</button>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- Results Section -->
<div class="row">
<div class="col-12">
<div class="card">
<div class="card-header">
<h3 class="mb-0">
<i class="fas fa-chart-bar"></i>
Embedding Analysis Results
</h3>
</div>
<div class="card-body">
<div id="resultsContainer">
<div class="text-center text-muted py-5">
<i class="fas fa-arrow-up fa-2x mb-3"></i>
<p>Click "Generate Embeddings" to see vector analysis results</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
{% endblock %}
{% block extra_scripts %}
<script>
// Initialize page
document.addEventListener('DOMContentLoaded', function() {
// Only carry over when using Quick Nav; otherwise leave defaults
const shouldCarry = sessionStorage.getItem('carryTextOnNextPage') === '1';
if (shouldCarry) {
const storedText = sessionStorage.getItem('analysisText');
if (storedText) document.getElementById('textInput').value = storedText;
sessionStorage.removeItem('carryTextOnNextPage');
}
// Sample text dropdown handler
document.getElementById('sampleSelect').addEventListener('change', function() {
const sampleType = this.value;
const textInput = document.getElementById('textInput');
if (sampleType === 'Custom') {
textInput.value = '';
} else {
// Set sample prompts based on type
const samples = {
'Space Station': 'The International Space Station (ISS) is a modular space station in low Earth orbit. It is a multinational collaborative project involving five space agencies: NASA (United States), Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada). The ownership and use of the space station is established by intergovernmental treaties and agreements. The ISS serves as a microgravity and space environment research laboratory in which scientific research is conducted in astrobiology, astronomy, meteorology, physics, and other fields.',
'Python': 'Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. Python is dynamically typed and garbage-collected. It supports multiple programming paradigms, including structured, object-oriented and functional programming. It is often described as a \'batteries included\' language due to its comprehensive standard library.',
'Climate': 'Climate change refers to long-term shifts in global temperatures and weather patterns. While climate variations are natural, human activities have been the main driver of climate change since the 1800s, primarily due to burning fossil fuels, which generates heat-trapping gases. The effects of climate change include rising sea levels, more frequent extreme weather events, and changes in precipitation patterns.'
};
if (samples[sampleType]) {
textInput.value = samples[sampleType];
}
}
});
// Process button handler
document.getElementById('processBtn').addEventListener('click', function() {
const text = document.getElementById('textInput').value.trim();
if (!text) {
alert('Please enter text to analyze.');
return;
}
// Show loading state
this.innerHTML = '<i class="fas fa-spinner fa-spin"></i> Generating...';
this.disabled = true;
// Process embeddings
processEmbeddings();
// Reset button after a delay
setTimeout(() => {
this.innerHTML = '<i class="fas fa-project-diagram"></i> Generate Embeddings';
this.disabled = false;
}, 2000);
});
// Search button handler
document.getElementById('searchBtn').addEventListener('click', function() {
const text = document.getElementById('textInput').value.trim();
const query = document.getElementById('searchInput').value.trim();
if (!text) {
alert('Please enter text to analyze first.');
return;
}
if (!query) {
alert('Please enter a search query.');
return;
}
// Show loading state
this.innerHTML = '<i class="fas fa-spinner fa-spin"></i> Searching...';
this.disabled = true;
// Process search
processSearch();
// Reset button after a delay
setTimeout(() => {
this.innerHTML = '<i class="fas fa-search"></i> Search';
this.disabled = false;
}, 2000);
});
// Clear button handler
document.getElementById('clearBtn').addEventListener('click', function() {
document.getElementById('textInput').value = '';
document.getElementById('searchInput').value = '';
document.getElementById('resultsContainer').innerHTML = `
<div class="text-center text-muted py-5">
<i class="fas fa-arrow-up fa-2x mb-3"></i>
<p>Click "Generate Embeddings" to see vector analysis results</p>
</div>
`;
});
// Keyboard shortcuts
document.addEventListener('keydown', function(e) {
// Ctrl+Enter to process
if (e.ctrlKey && e.key === 'Enter') {
document.getElementById('processBtn').click();
}
// Ctrl+L to clear
if (e.ctrlKey && e.key === 'l') {
e.preventDefault();
document.getElementById('clearBtn').click();
}
});
});
// Set example text
function setExample(text) {
document.getElementById('textInput').value = text;
}
// Process embeddings
function processEmbeddings() {
const text = document.getElementById('textInput').value.trim();
if (!text) {
alert('Please enter text to analyze.');
return;
}
showLoading('resultsContainer');
fetch('/api/vector-embeddings', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
text: text
})
})
.then(response => response.json())
.then(data => {
console.log('API Response:', data); // Debug log
if (data.success) {
console.log('Result length:', data.result ? data.result.length : 'null'); // Debug log
displayResults(data.result);
} else {
console.error('API Error:', data.error); // Debug log
showError(data.error || 'An error occurred while generating embeddings');
}
})
.catch(error => {
showError('Failed to generate embeddings: ' + error.message);
})
.finally(() => {
hideLoading('resultsContainer');
});
}
// Process search
function processSearch() {
const text = document.getElementById('textInput').value.trim();
const query = document.getElementById('searchInput').value.trim();
if (!text) {
alert('Please enter text to analyze first.');
return;
}
if (!query) {
alert('Please enter a search query.');
return;
}
showLoading('resultsContainer');
fetch('/api/vector-embeddings', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
text: text,
query: query
})
})
.then(response => response.json())
.then(data => {
if (data.success) {
displaySearchResults(data.results);
} else {
showError(data.error || 'An error occurred while searching');
}
})
.catch(error => {
showError('Failed to perform search: ' + error.message);
})
.finally(() => {
hideLoading('resultsContainer');
});
}
// Show loading state
function showLoading(elementId) {
const element = document.getElementById(elementId);
if (element) {
element.innerHTML = `
<div class="text-center py-4">
<div class="spinner-border text-primary" role="status">
<span class="visually-hidden">Loading...</span>
</div>
<p class="mt-2">Processing...</p>
</div>
`;
}
}
// Hide loading state
function hideLoading(elementId) {
const element = document.getElementById(elementId);
if (element && element.innerHTML.includes('spinner-border')) {
element.innerHTML = '';
}
}
// Show error message
function showError(message, elementId = 'resultsContainer') {
const element = document.getElementById(elementId);
if (element) {
element.innerHTML = `
<div class="alert alert-danger fade-in">
<i class="fas fa-exclamation-triangle"></i>
<strong>Error:</strong> ${message}
</div>
`;
}
}
// Display results
function displayResults(result) {
console.log('displayResults called with:', result ? result.substring(0, 200) + '...' : 'null'); // Debug log
const container = document.getElementById('resultsContainer');
console.log('Results container found:', !!container); // Debug log
if (container) {
container.innerHTML = result;
container.classList.add('fade-in');
console.log('Results inserted, container innerHTML length:', container.innerHTML.length); // Debug log
// Scroll to results
container.scrollIntoView({ behavior: 'smooth', block: 'start' });
}
}
// Display search results
function displaySearchResults(results) {
const container = document.getElementById('resultsContainer');
if (container) {
let html = '<h4>Search Results:</h4>';
if (results && results.length > 0) {
results.forEach((result, index) => {
const scorePercent = Math.round(result.score * 100);
html += `
<div class="card mb-2">
<div class="card-body">
<div class="row">
<div class="col-md-8">
<p class="mb-1">${result.text}</p>
</div>
<div class="col-md-4">
<div class="text-end">
<span class="badge bg-primary">${scorePercent}%</span>
</div>
<div class="progress mt-1" style="height: 8px;">
<div class="progress-bar" role="progressbar" style="width: ${scorePercent}%"></div>
</div>
</div>
</div>
</div>
</div>
`;
});
} else {
html += '<div class="alert alert-info">No relevant results found. Try different search terms.</div>';
}
container.innerHTML = html;
container.classList.add('fade-in');
// Scroll to results
container.scrollIntoView({ behavior: 'smooth', block: 'start' });
}
}
// Semantic search function (called from the generated search interface)
function performSemanticSearch() {
const searchInput = document.getElementById('search-input');
const textInput = document.getElementById('textInput');
if (!searchInput || !textInput) {
alert('Please generate embeddings first, then try searching.');
return;
}
const query = searchInput.value.trim();
const context = textInput.value.trim();
if (!query) {
alert('Please enter a search query.');
return;
}
if (!context) {
alert('Please enter text to analyze first.');
return;
}
// Show loading
const resultsDiv = document.getElementById('search-results');
const resultsContainer = document.getElementById('results-container');
if (resultsDiv) {
resultsDiv.style.display = 'block';
resultsContainer.innerHTML = `
<div class="text-center py-3">
<div class="spinner-border text-warning" role="status">
<span class="visually-hidden">Searching...</span>
</div>
<p class="mt-2">Searching for semantically similar content...</p>
</div>
`;
}
// Perform search
fetch('/api/semantic-search', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
context: context,
query: query
})
})
.then(response => response.json())
.then(data => {
if (data.success) {
displaySearchResults(data.results);
} else {
showSearchError(data.error || 'Search failed');
}
})
.catch(error => {
showSearchError('Failed to perform search: ' + error.message);
});
}
function displaySearchResults(results) {
const resultsContainer = document.getElementById('results-container');
if (!results || results.length === 0) {
resultsContainer.innerHTML = `
<div class="text-center py-4">
<i class="fas fa-search fa-2x text-muted mb-3"></i>
<p class="text-muted">No similar content found.</p>
</div>
`;
return;
}
let html = '';
results.forEach((result, index) => {
const percentage = (result.score * 100).toFixed(1);
const badgeClass = result.score > 0.8 ? 'bg-success' : result.score > 0.6 ? 'bg-warning' : 'bg-secondary';
html += `
<div class="mb-3 p-3 border rounded bg-white">
<div class="d-flex justify-content-between align-items-start mb-2">
<h6 class="mb-0 text-primary">Result ${index + 1}</h6>
<span class="badge ${badgeClass}">${percentage}% match</span>
</div>
<p class="mb-0">${result.text}</p>
</div>
`;
});
resultsContainer.innerHTML = html;
}
function showSearchError(message) {
const resultsContainer = document.getElementById('results-container');
resultsContainer.innerHTML = `
<div class="alert alert-danger">
<i class="fas fa-exclamation-triangle me-2"></i>
<strong>Search Error:</strong> ${message}
</div>
`;
}
</script>
{% endblock %}
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