vidane/vector-search-csharp
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Added ability to filter based on score of similarity in a couple ways.

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vidane
2026-01-13 23:57:09 -05:00
parent 4dac36605b
commit b2c6898140
3 changed files with 25 additions and 7 deletions
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22
VectorSearchApp/Program.cs
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@@ -156,13 +156,29 @@ async Task SearchAddressesAsync(IEmbeddingService embeddingService, IQdrantServi
return;
}
Console.Write("Enter similarity threshold (0.0-1.0, lower = stricter, press Enter for 0.7): ");
var thresholdInput = Console.ReadLine()?.Trim();
float threshold = 0.7f;
if (!string.IsNullOrEmpty(thresholdInput) && float.TryParse(thresholdInput, out var parsedThreshold))
{
threshold = Math.Clamp(parsedThreshold, 0f, 1f);
}
Console.Write("Enter max results to return (press Enter for 5, or '2' for top 2 most similar): ");
var limitInput = Console.ReadLine()?.Trim();
int limit = 5;
if (!string.IsNullOrEmpty(limitInput) && int.TryParse(limitInput, out var parsedLimit))
{
limit = Math.Max(1, parsedLimit);
}
Console.WriteLine("Generating query embedding...");
try
{
var queryEmbedding = await embeddingService.GenerateEmbeddingAsync(query);
Console.WriteLine($"Searching for similar addresses...");
Console.WriteLine($"Searching for similar addresses (threshold: {threshold:F2}, max results: {limit})...");
var results = await qdrantService.SearchSimilarAddressesAsync(queryEmbedding, limit: 5);
var results = await qdrantService.SearchSimilarAddressesAsync(queryEmbedding, limit: limit, scoreThreshold: threshold);
if (results.Count == 0)
{
@@ -173,7 +189,7 @@ async Task SearchAddressesAsync(IEmbeddingService embeddingService, IQdrantServi
Console.WriteLine($"\nFound {results.Count} similar address(es):");
for (int i = 0; i < results.Count; i++)
{
Console.WriteLine($" {i + 1}. {results[i].FullAddress}");
Console.WriteLine($" {i + 1}. {results[i].FullAddress} (Score: {results[i].Score:F4})");
}
}
catch (Exception ex)