#504
Sentiment Analysis
Score reviews as positive, neutral or negative, see which words decided it and which topics people mention.
Technique: Lexicon with negation and intensifiers + Naive Bayes trained on labelled reviews
Read the code:
src/main/java/com/study/advlab/sentiment/SentimentAnalyzer.javasrc/main/java/com/study/advlab/sentiment/NaiveBayes.javasrc/main/java/com/study/advlab/sentiment/Lexicon.java
Try it - the result updates while you type
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score 0 (lexicon 0)
All reviews
Topics people mention
Quality
0.09 (39 mentions)
Price
0.2 (45 mentions)
Ease of use
0.11 (46 mentions)
Service
-0.09 (13 mentions)
Delivery
0.12 (31 mentions)
Per month
| Review | Stars | Sentiment | Score |
|---|---|---|---|
Not sure yet, need more time to test it. The size is standard, similar to my old one. Malee P. · 26 Oct 2026 |
★★★ | NEUTRAL | -0.001 |
Good value for money, no complaints at all. Noah S. · 25 Oct 2026 |
★★★★★ | POSITIVE | 0.578 |
Worst purchase ever, a complete waste of money. Not comfortable at all, the material feels flimsy. Somchai H. · 21 Oct 2026 |
★ | NEGATIVE | -0.929 |
Smooth experience from order to delivery, thank you! Omar N. · 18 Oct 2026 |
★★★★★ | POSITIVE | 0.517 |
Delivery took five days which is normal. Comes with a cable but no adapter. Aisha B. · 11 Oct 2026 |
★★★ | NEUTRAL | 0.003 |
Uncomfortable and the size is wrong. Hana K. · 10 Oct 2026 |
★★ | NEGATIVE | -0.688 |
Easy to use and looks stylish on my desk. Hana K. · 08 Oct 2026 |
★★★★★ | POSITIVE | 0.800 |
Easy to use and looks stylish on my desk. Nina J. · 06 Oct 2026 |
★★★★★ | POSITIVE | 0.800 |
Fantastic product and a fair price. Absolutely love it, works perfectly from day one, but not comfortable at all, the material feels flimsy. Olivia J. · 01 Oct 2026 |
★★★★★ | POSITIVE | 0.556 |
Arrived a day early and looks even better than the photos. Anan T. · 27 Sep 2026 |
★★★★★ | POSITIVE | 0.682 |
It is fine for the price but the box was plain. Comes with a cable but no adapter. Somchai G. · 24 Sep 2026 |
★★★ | NEUTRAL | 0.000 |
Bought this as a gift for my brother. Nok S. · 20 Sep 2026 |
★★★ | NEUTRAL | -0.008 |
Smooth experience from order to delivery, thank you, but faulty unit, the screen flickers all the time. Chai S. · 15 Sep 2026 |
★ | NEGATIVE | -0.583 |
Great quality for the price, I would buy it again. The size fits perfectly and the material is soft. Pim S. · 13 Sep 2026 |
★★★★★ | POSITIVE | 0.765 |
Easy to use and looks stylish on my desk. Delivery was fast and the package was well protected. Pim K. · 12 Sep 2026 |
★★★★★ | POSITIVE | 0.901 |
Very comfortable, I use it every day. Best purchase this year, highly recommended! Malee N. · 07 Sep 2026 |
★★★★ | POSITIVE | 0.939 |
Comes with a cable but no adapter. Olivia N. · 06 Sep 2026 |
★★★ | NEUTRAL | -0.003 |
Delivery took five days which is normal. Not sure yet, need more time to test it. Ton P. · 02 Sep 2026 |
★★★ | NEUTRAL | 0.001 |
Comes with a cable but no adapter. Decent, though the manual is only in English, but excellent build quality, it feels solid and durable. Chai R. · 01 Sep 2026 |
★★★★★ | POSITIVE | 0.567 |
Excellent build quality, it feels solid and durable. Ravi T. · 27 Aug 2026 |
★★★★ | POSITIVE | 0.877 |
Battery drains very fast, really annoying. Aisha W. · 24 Aug 2026 |
★ | NEGATIVE | -0.196 |
Delivery was fast and the package was well protected. Aisha R. · 17 Aug 2026 |
★★★★★ | POSITIVE | 0.585 |
Terrible quality, it broke after two days. The staff were rude and not helpful at all. Emma T. · 14 Aug 2026 |
★ | NEGATIVE | -0.901 |
Absolutely love it, works perfectly from day one. Liam S. · 13 Aug 2026 |
★★★★★ | POSITIVE | 0.861 |
Bought this as a gift for my brother. Ethan F. · 12 Aug 2026 |
★★★ | NEUTRAL | -0.008 |
Smooth experience from order to delivery, thank you! Great quality for the price, I would buy it again. Noah T. · 10 Aug 2026 |
★★★★ | POSITIVE | 0.836 |
The size fits perfectly and the material is soft. Pim W. · 09 Aug 2026 |
★★★★ | POSITIVE | 0.459 |
The size is standard, similar to my old one. Omar J. · 08 Aug 2026 |
★★★ | NEUTRAL | -0.005 |
Ordered the blue one, received the blue one. Anan F. · 04 Aug 2026 |
★★★ | NEUTRAL | -0.001 |
The quality is outstanding, worth every baht. Ploy N. · 04 Aug 2026 |
★★★★ | POSITIVE | 0.840 |
Comes with a cable but no adapter. Somchai R. · 03 Aug 2026 |
★★★ | NEUTRAL | -0.003 |
It is fine for the price but the box was plain. Mixed feelings, the design is nice but it is a bit heavy. Lucas N. · 01 Aug 2026 |
★★★ | NEUTRAL | -0.084 |
Very comfortable, I use it every day. Arisa R. · 31 Jul 2026 |
★★★★ | POSITIVE | 0.749 |
Best purchase this year, highly recommended! Arrived a day early and looks even better than the photos. Nina T. · 25 Jul 2026 |
★★★★★ | POSITIVE | 0.870 |
Arrived a day early and looks even better than the photos. Arrived a day early and looks even better than the photos, but terrible quality, it broke after two days. Felix K. · 23 Jul 2026 |
★★★ | NEUTRAL | -0.085 |
Setup was easy and the instructions were clear. The size fits perfectly and the material is soft. Arisa K. · 22 Jul 2026 |
★★★★ | POSITIVE | 0.751 |
Decent, though the manual is only in English. Olivia H. · 18 Jul 2026 |
★★★ | NEUTRAL | 0.149 |
Terrible quality, it broke after two days. Chai W. · 12 Jul 2026 |
★★ | NEGATIVE | -0.681 |
I am very happy with this, my family loves it too. Chai W. · 11 Jul 2026 |
★★★★★ | POSITIVE | 0.843 |
The quality is outstanding, worth every baht. The staff were friendly and very helpful with my questions. Somchai S. · 10 Jul 2026 |
★★★★★ | POSITIVE | 0.956 |
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Two models
Lexicon rules add up word scores (great +2, terrible -3), flip after "not", multiply after "very", and count the part after "but" more.
Naive Bayes learned word probabilities from 55 labelled sentences (185 words). Final score = 60 % lexicon + 40 % Bayes.