---
tags:
- sentence-transformers
- sentence-similarity
- feature-extraction
- generated_from_trainer
- dataset_size:1788
- loss:TripletLoss
base_model: Alibaba-NLP/gte-base-en-v1.5
widget:
- source_sentence: $194.99
sentences:
- Polaroid t1235 Point & Shoot Digital Camera - Blue
- $199.00
- price
- model
- source_sentence: 'Recertified: OLYMPUS Stylus 1040 Black 10.0 MP 2.7" 230K LCD 3X
Optical Zoom Digital Camera'
sentences:
- Nikon COOLPIX S60 10 Megapixel Digital Camera w/ 5x Optical Zoom, Optical VR Image
Stabilization, 3.5" High Res Touch Panel LCD, HD Pictmotion Slide Shows, & Autofocus
and Auto Exposure - Red
- model
- manufacturer
- Olympus America Inc.
- source_sentence: Kodak
sentences:
- Fuji
- model
- manufacturer
- FUJIFILM Instax 210 Instant Photo Camera
- source_sentence: $95.99
sentences:
- $299.00
- model
- SONY Cyber-shot S2100 Silver 12.1 MP 3.0" 230K LCD 3X Optical Zoom Digital Camera
- price
- source_sentence: Nikon COOLPIX S640 Precious Pink 12.2 MP 2.7" 230K LCD 5X Optical
Zoom 28mm Wide Angle Digital Camera
sentences:
- $649.00
- price
- model
- Pentax K-r 12.4 Megapixel Digital SLR Camera (Body with Lens Kit) - 18 mm-55 mm
(Lens 1), 55 mm-300 mm (Lens 2) - Black
pipeline_tag: sentence-similarity
library_name: sentence-transformers
metrics:
- cosine_accuracy
- silhouette_cosine
- silhouette_euclidean
model-index:
- name: SentenceTransformer based on Alibaba-NLP/gte-base-en-v1.5
results:
- task:
type: triplet
name: Triplet
dataset:
name: Unknown
type: unknown
metrics:
- type: cosine_accuracy
value: 1.0
name: Cosine Accuracy
- type: cosine_accuracy
value: 1.0
name: Cosine Accuracy
- task:
type: silhouette
name: Silhouette
dataset:
name: Unknown
type: unknown
metrics:
- type: silhouette_cosine
value: 0.983250617980957
name: Silhouette Cosine
- type: silhouette_euclidean
value: 0.8853786587715149
name: Silhouette Euclidean
- type: silhouette_cosine
value: 0.9841798543930054
name: Silhouette Cosine
- type: silhouette_euclidean
value: 0.888205349445343
name: Silhouette Euclidean
---
# SentenceTransformer based on Alibaba-NLP/gte-base-en-v1.5
This is a [sentence-transformers](https://www.SBERT.net) model finetuned from [Alibaba-NLP/gte-base-en-v1.5](https://huggingface.co/Alibaba-NLP/gte-base-en-v1.5). It maps sentences & paragraphs to a 768-dimensional dense vector space and can be used for semantic textual similarity, semantic search, paraphrase mining, text classification, clustering, and more.
## Model Details
### Model Description
- **Model Type:** Sentence Transformer
- **Base model:** [Alibaba-NLP/gte-base-en-v1.5](https://huggingface.co/Alibaba-NLP/gte-base-en-v1.5)
- **Maximum Sequence Length:** 512 tokens
- **Output Dimensionality:** 768 dimensions
- **Similarity Function:** Cosine Similarity
### Model Sources
- **Documentation:** [Sentence Transformers Documentation](https://sbert.net)
- **Repository:** [Sentence Transformers on GitHub](https://github.com/UKPLab/sentence-transformers)
- **Hugging Face:** [Sentence Transformers on Hugging Face](https://huggingface.co/models?library=sentence-transformers)
### Full Model Architecture
```
SentenceTransformer(
(0): Transformer({'max_seq_length': 512, 'do_lower_case': False}) with Transformer model: NewModel
(1): Pooling({'word_embedding_dimension': 768, 'pooling_mode_cls_token': True, 'pooling_mode_mean_tokens': False, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False, 'pooling_mode_weightedmean_tokens': False, 'pooling_mode_lasttoken': False, 'include_prompt': True})
)
```
## Usage
### Direct Usage (Sentence Transformers)
First install the Sentence Transformers library:
```bash
pip install -U sentence-transformers
```
Then you can load this model and run inference.
```python
from sentence_transformers import SentenceTransformer
# Download from the 🤗 Hub
model = SentenceTransformer("albertus-sussex/veriscrape-sbert-camera-reference_2_to_verify_8-fold-10")
# Run inference
sentences = [
'Nikon COOLPIX S640 Precious Pink 12.2 MP 2.7" 230K LCD 5X Optical Zoom 28mm Wide Angle Digital Camera',
'Pentax K-r 12.4 Megapixel Digital SLR Camera (Body with Lens Kit) - 18 mm-55 mm (Lens 1), 55 mm-300 mm (Lens 2) - Black',
'$649.00',
]
embeddings = model.encode(sentences)
print(embeddings.shape)
# [3, 768]
# Get the similarity scores for the embeddings
similarities = model.similarity(embeddings, embeddings)
print(similarities.shape)
# [3, 3]
```
## Evaluation
### Metrics
#### Triplet
* Evaluated with [TripletEvaluator](https://sbert.net/docs/package_reference/sentence_transformer/evaluation.html#sentence_transformers.evaluation.TripletEvaluator)
| Metric | Value |
|:--------------------|:--------|
| **cosine_accuracy** | **1.0** |
#### Silhouette
* Evaluated with veriscrape.training.SilhouetteEvaluator
| Metric | Value |
|:----------------------|:-----------|
| **silhouette_cosine** | **0.9833** |
| silhouette_euclidean | 0.8854 |
#### Triplet
* Evaluated with [TripletEvaluator](https://sbert.net/docs/package_reference/sentence_transformer/evaluation.html#sentence_transformers.evaluation.TripletEvaluator)
| Metric | Value |
|:--------------------|:--------|
| **cosine_accuracy** | **1.0** |
#### Silhouette
* Evaluated with veriscrape.training.SilhouetteEvaluator
| Metric | Value |
|:----------------------|:-----------|
| **silhouette_cosine** | **0.9842** |
| silhouette_euclidean | 0.8882 |
## Training Details
### Training Dataset
#### Unnamed Dataset
* Size: 1,788 training samples
* Columns: anchor, positive, negative, pos_attr_name, and neg_attr_name
* Approximate statistics based on the first 1000 samples:
| | anchor | positive | negative | pos_attr_name | neg_attr_name |
|:--------|:----------------------------------------------------------------------------------|:----------------------------------------------------------------------------------|:----------------------------------------------------------------------------------|:-------------------------------------------------------------------------------|:-------------------------------------------------------------------------------|
| type | string | string | string | string | string |
| details |
Sony | FUJIFILM | SONY Cyber-shot S2100 Silver 12.1 MP 3.0" 230K LCD 3X Optical Zoom Digital Camera | manufacturer | model |
| SAKAR-VIVITAR | Kodak | Vivitar ViviCam T328 Black 12.0 MP 3.0" LCD 3X Optical Zoom Digital Camera | manufacturer | model |
| Panasonic | Sony | Panasonic Lumix DMC-FX37 Point & Shoot Digital Camera - White | manufacturer | model |
* Loss: [TripletLoss](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#tripletloss) with these parameters:
```json
{
"distance_metric": "TripletDistanceMetric.EUCLIDEAN",
"triplet_margin": 5
}
```
### Evaluation Dataset
#### Unnamed Dataset
* Size: 199 evaluation samples
* Columns: anchor, positive, negative, pos_attr_name, and neg_attr_name
* Approximate statistics based on the first 199 samples:
| | anchor | positive | negative | pos_attr_name | neg_attr_name |
|:--------|:----------------------------------------------------------------------------------|:----------------------------------------------------------------------------------|:---------------------------------------------------------------------------------|:-------------------------------------------------------------------------------|:-------------------------------------------------------------------------------|
| type | string | string | string | string | string |
| details | Pentax Imaging | Pentax | FinePix XP10 Compact Camera | manufacturer | model |
| Olympus America Inc. | Canon | $143.02 | manufacturer | price |
| $403.41 | $179.95 | Nikon Coolpix S210 Point & Shoot Digital Camera - Plum | price | model |
* Loss: [TripletLoss](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#tripletloss) with these parameters:
```json
{
"distance_metric": "TripletDistanceMetric.EUCLIDEAN",
"triplet_margin": 5
}
```
### Training Hyperparameters
#### Non-Default Hyperparameters
- `eval_strategy`: epoch
- `per_device_train_batch_size`: 128
- `per_device_eval_batch_size`: 128
- `num_train_epochs`: 5
- `warmup_ratio`: 0.1
#### All Hyperparameters