CCS Concepts
$\bullet$ Information systems $\rightarrow$ Summarization  
$\bullet$ Computing methodologies $\rightarrow$ Information extraction  

1 INTRODUCTION

2 FUNDAMENTALS OF LONG DOCUMENT SUMMARIZATION

3 DATASETS

4 MODELS

5 MULTI-DIMENSIONAL ANALYSIS OF LONG DOCUMENT SUMMARIZERS

6 METRICS

7 APPLICATIONS

8 GENERAL CHALLENGES AND FUTURE DIRECTIONS

9 CONCLUSION