Precision@k
From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-10.)
Precision@k is proportion of relevant documents among the top k retrieved documents.
Mostly:rdf:type(8), description(2), measures(1)
Maturity scale
raw canonical shape-checked rule-derived certifiedInbound mentions (24)
Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.
containsContains(2)
- Additional Metrics Section
ex:additional-metrics-section - Step 1
ex:step-1
includesIncludes(2)
- Evaluation Metrics
ex:evaluation-metrics - Evaluation Metrics
ex:evaluation-metrics
characterizesCharacterizes(1)
- Retrieval Focus
ex:retrieval-focus
describesDescribes(1)
- Precision Recall Explanation
ex:precision-recall-explanation
hasExampleHas Example(1)
- Evaluation Metric
ex:evaluation-metric
hasMemberHas Member(1)
- Metric List
ex:metric-list
importsImports(1)
- Evaluation Section
ex:evaluation-section
improvedByImproved by(1)
- Relevant Metrics
ex:relevant-metrics
includesMetricsIncludes Metrics(1)
- Bm25 Evaluation Context
ex:bm25-evaluation-context
inverseOfInverse of(1)
- Recall at K
ex:recall-at-k
measuredByMeasured by(1)
- Retrieval Performance
ex:retrieval-performance
mentionedMentioned(1)
- Assistant
ex:assistant
monitoredByMonitored by(1)
- Training
ex:training
optimizedForOptimized for(1)
- Alpha
ex:alpha
providesProvides(1)
- Sklearn
ex:sklearn
relatedMetricRelated Metric(1)
- Recall at K
ex:recall-at-k
relatedToRelated to(1)
- Mean Precision at K
ex:mean-precision-at-k
relatesRelates(1)
- Metric Relationships
ex:metric-relationships
specificVariantSpecific Variant(1)
- Map at 10
ex:map-at-10
suggestsAddingSuggests Adding(1)
- Evaluation Extension
ex:evaluation-extension
usedInUsed in(1)
- Top K Concept
ex:top-k-concept
usesUses(1)
- Evaluation Metric
ex:evaluation-metric
Other facts (23)
The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.
| Predicate | Value | Ref |
|---|---|---|
| Rdf:type | Evaluation Metric | [1] |
| Rdf:type | Metric | [2] |
| Rdf:type | Evaluation Metric | [3] |
| Rdf:type | Evaluation Metric | [4] |
| Rdf:type | Metric | [5] |
| Rdf:type | Ranking Metric | [7] |
| Rdf:type | Evaluation Metric | [8] |
| Rdf:type | Information Retrieval Metric | [9] |
| Description | proportion of relevant documents among the top k retrieved documents | [1] |
| Description | Focuses on top-k retrieved documents | [3] |
| Measures | Proportion of Relevant Documents | [1] |
| Applies to | Top K Retrieved Documents | [1] |
| Described As | Precision of the top-k retrieved documents | [2] |
| Related Metric | Recall at K | [2] |
| Inverse of | Recall at K | [2] |
| Abbreviation | P@k | [4] |
| From Library | Scikit Learn | [5] |
| Is Evaluation Metric | Metric | [6] |
| Imported From | Sklearn.metrics | [6] |
| Is Example of | Ranking Metrics | [7] |
| Is Metric for | Ranking Evaluation | [7] |
| Monitored During | Training | [8] |
| Purpose | Ensuring Model Improvement on Relevant Metrics | [8] |
Timeline
Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.
References (9)
ctx:claims/beam/3da08fad-f16a-47c2-9861-9ad0d160b9a4- full textbeam-chunktext/plain1 KB
doc:beam/3da08fad-f16a-47c2-9861-9ad0d160b9a4Show excerpt
[Turn 6077] Assistant: Fine-tuning the `alpha` value to balance sparse and dense retrieval is crucial for optimizing the performance of your hybrid retrieval system. Here are some steps and methods you can use to find the optimal `alpha` va…
ctx:claims/beam/23c0eddb-0929-4239-8d55-13531af3e8f5- full textbeam-chunktext/plain1 KB
doc:beam/23c0eddb-0929-4239-8d55-13531af3e8f5Show excerpt
- **Average Precision (AP)**: Measure of precision at each relevant document. 4. **Mean Scores**: Calculate the mean of each metric across all queries. ### Additional Metrics 1. **Precision@k**: Precision of the top-k retrieved documen…
ctx:claims/beam/84eee47d-7fea-4e98-8d74-9eb5dc8c1b85- full textbeam-chunktext/plain1 KB
doc:beam/84eee47d-7fea-4e98-8d74-9eb5dc8c1b85Show excerpt
print(f"Mean Precision: {mean_precision}, Mean Recall: {mean_recall}, Mean F1 Score: {mean_f1}, Mean AP: {mean_ap}, Mean Precision@{k}: {mean_precision_at_k}, Mean Recall@{k}: {mean_recall_at_k}") ``` ### Explanation 1. **Precision@k and …
ctx:claims/beam/f7999e0a-925c-4a2e-afc4-b5e2483ddb0a- full textbeam-chunktext/plain1 KB
doc:beam/f7999e0a-925c-4a2e-afc4-b5e2483ddb0aShow excerpt
3. **Evaluation Metrics**: Use appropriate evaluation metrics to measure the relevance lift. Common metrics include Precision@k, Recall, and Mean Average Precision (MAP). 4. **Post-processing**: Consider post-processing steps such as re-ra…
ctx:claims/beam/0101eba2-9f85-41c1-ac05-d4c55e85d3fc- full textbeam-chunktext/plain1 KB
doc:beam/0101eba2-9f85-41c1-ac05-d4c55e85d3fcShow excerpt
if max_score == min_score: return np.zeros_like(scores) return (scores - min_score) / (max_score - min_score) def hybrid_ranking(sparse_scores, dense_scores, alpha=0.6): # Normalize scores to ensure they are on the same…
ctx:claims/beam/cc7e2701-5558-4a53-b31f-07382bf903bd- full textbeam-chunktext/plain1 KB
doc:beam/cc7e2701-5558-4a53-b31f-07382bf903bdShow excerpt
dense_scores = np.array([0.7, 0.3, 0.1]) # Normalize and compute hybrid scores hybrid_scores = hybrid_ranking(sparse_scores, dense_scores) print(hybrid_scores) # Optionally, sort documents based on hybrid scores sorted_indices = np.argsor…
ctx:claims/beam/685289a8-df46-4c0b-b3eb-bb8cac2dcb73- full textbeam-chunktext/plain1 KB
doc:beam/685289a8-df46-4c0b-b3eb-bb8cac2dcb73Show excerpt
[Turn 6423] Assistant: Certainly! Addressing ranking issues in your RAG system and achieving 95% detection for 25,000 hybrid queries requires a systematic debugging strategy. Here are the steps you can follow to identify and resolve ranking…
ctx:claims/beam/864c2d75-2f47-4635-8d2e-4fe6efdd0312- full textbeam-chunktext/plain1 KB
doc:beam/864c2d75-2f47-4635-8d2e-4fe6efdd0312Show excerpt
- **Margin**: Adjust the margin in contrastive loss functions to penalize incorrect predictions more heavily. ### 5. **Evaluation Metrics** - **Precision@k**: Monitor Precision@k metrics during training to ensure the model is improvi…
ctx:claims/beam/a18f983c-7bcb-4682-a34d-8c0445e82651- full textbeam-chunktext/plain1 KB
doc:beam/a18f983c-7bcb-4682-a34d-8c0445e82651Show excerpt
- **Joblib**: The `joblib` library is used for parallel computing in Python. It provides a simple interface to parallelize tasks and manage the parallel execution of functions. By using this parallel implementation, you can significantly r…
See also
Keep researching
Missing something or suspicious of what's here? Kick off a research session — a Claude agent will investigate, cite its sources, and file new facts into a dedicated context you can review before accepting into the shared view.