China

Sandhi, the phonological merging of morphemes, is a central feature of Sanskrit grammar. While Sandhi formation is well-defined by Pāṇini’s Aṣṭādhyāyī, the reverse task—Sandhi splitting—is substantially more complex due to inherent ambiguity and context-sensitive transformations. Accurate splitting is a critical precursor to tokenization in Sanskrit, which lacks explicit word boundaries and presents densely fused compounds. In this work, we present a data-driven approach, fine-tuning the Gemma-3 4B large language model on a dataset of over 49,000 training and 2,000 test examples of compound words and their morpheme-level decompositions. Leveraging the Unsloth framework with low-rank adaptation (LoRA) and 4-bit quantization, we train the model to predict these splits. Our work yields a scalable, Sandhi-aware system designed to enhance modern NLP pipelines for classical Sanskrit, demonstrating an effective application of LLMs to this linguistic challenge.

EMNLP 2025

The Gemma Sutras: Fine-Tuning Gemma 3 for Sanskrit Sandhi Splitting

sandhi

lora

llms

finetuning

computational linguistics

tokenization

sanskrit

### Welcome to IJCNLP-AACL 2025! 
 It is a great honor to host this joint conference in Mumbai, India, from December 20 to 24, 2025. The joint conferences of IJCNLP and AACL are organized with alternating leadership in the Asia-Pacific region. The event is run by the Asian Federation of Natural Language Processing (AFNLP) in odd years, and by AACL in even years, while it is organized solely by ACL when the annual ACL meeting is held in the region. This year, the conference is primarily organized by AFNLP. 
*Kentaro Inui
MBZUAI, UAE
General Chair, IJCNLP-AACL 2025* 
Read full message and download the Conference Handbook [**here**](https://drive.google.com/file/d/1UTwxkAqSqI-GAoJC3wE1zZt5VP1Y8GX0/view?usp=sharing).

IJCNLP-AACL 2025

The 14th IJCNLP & 4th AACL will be held in Mumbai, India from December 20th to December 24th, 2025.

workshop paper

## Welcome!
"I am excited to welcome you to this year’s edition of the Conference on Empirical Methods in Natural Language Processing! Importantly, it marks the 30th edition of EMNLP. With over 8,000 submissions, more than 3,000 accepted papers, and thousands of attendees, we have come a long way from that first
workshop, which had 14 accepted papers. As the field looks ahead, Suzhou is the fitting location for celebrating this milestone: rooted in a long literary tradition, yet modern and forward-looking, and home to a large share of the NLP community." 

*Message from the General Chair, Dirk Hovy*

Celebrate 30 Years of EMNLP! 
EMNLP 2025 will be held in Suzhou, China from November 5th to November 9th, 2025.

Large Language Models (LLMs) powered with argentic capabilities are able to do knowledge-intensive tasks without human involvement. A prime example of this tool is Deep research with the capability to browse the web, extract information and generate multi-page reports.
In this work, we introduce an evaluation sheet that can be used for assessing the capability of Deep Research tools. In addition, we selected academic survey writing as a use case task and evaluated output reports based on the evaluation sheet we introduced. Our findings show the need to have carefully crafted evaluation standards. The evaluation done on OpenAI‘s Deep Search and Google’s Deep Search in generating an academic survey showed the huge gap between search engines and standalone Deep Research tools, as well as the shortcomings in representing the targeted area.

Evaluation Sheet for Deep Research: A Use Case for Academic Survey Writing

The emergence of Large Language Models (LLMs) as chat assistants capable of generating human-like conversations has amplified the need for robust evaluation methods, particularly for open-ended tasks. Conventional metrics such as EM and F1, while useful, are inadequate for capturing the full semantics and contextual depth of such generative outputs. We propose a reference-guided verdict method that automates the evaluation process by leveraging multiple LLMs as judges. Through experiments on free-form question-answering tasks, we demonstrate that combining multiple models improves the reliability and accuracy of evaluations, especially in tasks where a single model may struggle. The results indicate a strong correlation with human evaluations, establishing the proposed method as a reliable alternative to traditional metrics.

Reference-Guided Verdict: LLMs-as-Judges in Automatic Evaluation of Free-Form QA

Natural language explanations (NLEs) are widely used to communicate model reasoning to humans, but they may also serve as effective control signals for improving model performance. In this paper, we present the first comprehensive evaluation of NLEs as prompts in in-context learning (ICL), comparing human-annotated, self-generated, and LLM-generated NLEs across five reasoning benchmarks and three instruction-tuned models (Llama 3 8B, Llama 3 70B, GPT-4o-mini). Our preliminary results show that LLM-generated explanations, especially those from GPT-4o-mini, yield the highest gains across tasks. We further plan to measure how the faithfulness of self-explanations strongly correlates to its utility, and if models retain partial robustness even when rationales are randomly mismatched or adversarially swapped.

A Comparative Study on the Utility of Natural Language explanations for Enhancing Language Models Reasoning Performance

Large language models (LLMs) are increasingly integrated into our daily lives and personalized. However, LLM personalization might also increase unintended side effects. Recent work suggests that persona prompting can lead models to falsely refuse user requests. However, no work has fully quantified the extent of this issue. To address this gap, we measure the impact of 15 sociodemographic personas (based on gender, race, religion, and disability) on false refusal. To control for other factors, we also test 16 different models, 3 tasks (Natural Language Inference, politeness, and offensiveness classification), and nine prompt paraphrases. We propose a Monte Carlo-based method to quantify this issue in a sample-efficient manner. Our results show that as models become more capable, personas impact the refusal rate less. However, we find that the choice of model significantly influence false refusals, especially in sensitive content tasks. The impact of certain sociodemographic personas further increases the false refusal effect in some models, which suggests that there are underlying biases in the alignment strategies or safety mechanisms.

No for Some, Yes for Others: Persona Prompts and Other Sources of False Refusal in Language Models

In this paper, the results are presented within the context of the BAREC 2025 Shared Task (Elmadani et al., 2025a; Habash et al., 2025; Elmadani et al., 2025b) for Arabic text readability prediction. Participation in both the strict and open tracks achieved QWK scores of 82.5% and 83%, respectively. The proposed approach employs a 19-level fine-grained classification framework at the sentence level, leveraging the BAREC dataset (Elmadani et al., 2025a; Habash et al., 2025; Elmadani et al., 2025b) and transformer based AraBERT models. To address class imbalance, underrepresented levels were augmented with additional samples. By incorporating rich linguistic and structural features, including morphology, syntax, and vocabulary, the system surpasses less fine-grained methods in precision and reliability. 


Beyond Resources: Building an Arabic NLP Ecosystem Rooted in Representation, Collaboration, and Responsibility

We are presenting in ArabicNLP shared task : We present ADAPT–MTUHAI’s submission to PalmX 2025, targeting Arabic cultural question answering through large language model (LLM)adaptation. We apply full fine-tuning
on NileChat-3B for general cultural comprehension, and parameter-efficient LoRA-based tuning on ALLaM-7B for Islamic knowledge reasoning. Our models achieved first place in the General Culture subtask and third place in the Islamic Cultures subtask.

From Benchmarks to the Real-World Impact: Arabic LLMs in Production

Under-represented languages suffer from a lack of data, and as a result, there are few LLMs that support them. Extending an existing LLM to a new language is a practical option for startups, university labs, and organizations with limited budgets. This process involves several steps. In this paper, we describe how we adapted the Falcon3-7B model to Arabic, covering everything from data collection and training to evaluation. Falcon-Arabic was trained exclusively on native data to better capture the cultural and linguistic aspects of the language. Our evaluations show that Falcon-Arabic achieves state-of-the-art results on a range of Arabic benchmarks.

Adapting Falcon3-7B Language Model for Arabic: Methods, Challenges, and Outcomes

ArabJobs is a publicly available corpus of Arabic job advertisements collected from Egypt, Jordan, Saudi Arabia, and the United Arab Emirates. Comprising over 8,500 postings and more than 550,000 words, the dataset captures linguistic, regional, and socio-economic variation in the Arab labour market. We present analyses of gender representation and occupational structure, and highlight dialectal variation across ads, which offers opportunities for future research. We also demonstrate applications such as salary estimation and job category normalisation using large language models, alongside benchmark tasks for gender bias detection and profession classification. The findings show the utility of ArabJobs for fairness-aware Arabic NLP and labour market research.
The dataset is publicly available on GitHub: https://github.com/drelhaj/ArabJobs.

ArabJobs: A Multinational Corpus of Arabic Job Ads

The morphological structure of Semitic languages, such as Arabic, is based on non-concatenative roots and templates. This complex word structure used by humans is obscured to neural models that employ traditional tokenization algorithms. In this work, we present and evaluate Semitic Root Encoding (SRE), a tokenization method that represents both concatenative and non-concatenative structures in Semitic words with sequences of root, template stem, and BPE tokens. We apply the method to neural machine translation (NMT) and find that SRE tokenization yields an average increase of 1.15 BLEU over the baseline. We additionally compare the performance of SRE to tokenization based on non-linguistic root and template structures and tokenization based on stems, providing evidence that NMT models are capable of leveraging tokens based on non-concatenative Semitic morphology.

Semitic Root Encoding: Tokenization Based on the Templatic Morphology of Semitic Languages in NMT

Arabic is one of the most widely spoken languages in the world, yet efforts to develop and evaluate Large Language Models (LLMs) for Arabic remain relatively limited. Most existing Arabic benchmarks focus on linguistic, cultural, or religious content, leaving a significant gap in domains like STEM and code which are increasingly relevant for real-world LLM applications. To help bridge this gap, we present 3LM, a suite of three benchmarks designed specifically for Arabic. The first is a set of STEM-related question-answer pairs, naturally sourced from Arabic textbooks and educational worksheets. The second consists of synthetically generated STEM questions, created using the same sources. The third benchmark focuses on code generation, built through a careful translation of two widely used code benchmarks, incorporating a human-in-the-loop process with several rounds of review to ensure high-quality and faithful translations. We release all three benchmarks publicly to support the growth of Arabic LLM research in these essential but underrepresented areas.

Downloads

Next from EMNLP 2025

Evaluation Sheet for Deep Research: A Use Case for Academic Survey Writing

Similar lecture

A Word-Splitting Approach to Kannada Sanskrit Sandhi Words Useful in Effective English Translation

Stay up to date with the latest Underline news!

PRODUCT

COMPANY

RESOURCES

.css-70qvj9{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;}Downloads

Next from EMNLP 2025

Evaluation Sheet for Deep Research: A Use Case for Academic Survey Writing

Similar lecture

A Word-Splitting Approach to Kannada Sanskrit Sandhi Words Useful in Effective English Translation

Stay up to date with the latest Underline news!

PRODUCT

COMPANY

RESOURCES

Downloads