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## Bug Report
Please answer these questions before submitting your issue. Thanks!
### 1. Minimal reproduce step (Required)
Run SQLs below:
```
drop database if exists test;
create database…
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#### Issue type:
- :heavy_plus_sign: Feature request
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#### Description:
When VoID descriptions are detected in the service description of SPARQL endpoints, we should use them to o…
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The `card(c)`, `card(p)` and `card(p, o)` may be below zero, which is wrong. Maybe fixed by using the conditional UPDATE which would check if the counter is not less than the decrement.
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Hello, I am trying applying for the GSoC 2024. Recently, I noticed there is a paper on SIGMOD2023[Speeding Up End-to-end Query Execution via Learning-based Progressive Cardinality Estimation] which pr…
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Hi there
We are having trouble using the newer versions of Kallisto, mainly all versions >=0.50.0 with the new index. Here is what I'm doing:
```bash
$ ./kallisto_0.50.1.sif kallisto index -i t…
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## Enhancement
```
create table t1 (a int);
insert into t1 values (1), (1), (1), (1), (1), (1), (1), (1), (1), (1);
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into …
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#### Describe the bug
When running cross-tenant queries with the query-frontend results cache enabled, the query caching middleware attempts to concatenate _all_ tenant IDs into the key ([code](https…
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I’m trying to figure out how I can run a count(distinct) query in Lens and generate precise results. Our Unique Count aggregation in Lens is producing wrong results vs an external deterministic unique…
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Dear DotHash team,
Thanks for a nice paper, I have 2 questions related to both MinHash and link prediction:
1. What MinHash was used, on permutation hashing with optimal densification (http://pr…
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A new paper released this month introduces a new cardinality estimation algorithm called LogLog-Beta/β:
https://arxiv.org/abs/1612.02284
"The new algorithm uses only one formula and needs no add…
otisg updated
7 years ago