\begin{table}[ht]
\centering
\small
\resizebox{\columnwidth}{!}{%
\begin{tabular}{p{4.5cm}p{1.5cm}p{6cm}}
\hline
\textbf{Feature} & \textbf{Type} & \textbf{Description} \\
\hline
\multicolumn{3}{l}{\textit{Session Identifiers}} \\
sessionId & object & Unique identifier for user session \\
experimentId & object & Experiment run identifier \\
\hline
\multicolumn{3}{l}{\textit{Temporal Features}} \\
session\_duration\_sec & float & Total session duration in seconds \\
avg\_time\_between\_events & float & Mean inter-event time \\
std\_time\_between\_events & float & Standard deviation of inter-event times \\
min\_time\_between\_events & float & Minimum time between consecutive events \\
session\_start\_hour & int & Hour of day when session started \\
\hline
\multicolumn{3}{l}{\textit{Interaction Metrics}} \\
total\_interactions & int & Count of all user interactions \\
total\_events & int & Total number of tracked events \\
interaction\_velocity & float & Rate of interactions per time unit \\
max\_velocity\_5min & int & Peak interaction count in any 5-minute window \\
\hline
\multicolumn{3}{l}{\textit{Navigation Behavior}} \\
unique\_pages & int & Number of distinct pages visited \\
page\_views & int & Total page view events \\
\hline
\multicolumn{3}{l}{\textit{Product Engagement}} \\
item\_views & int & Number of product detail views \\
unique\_products\_viewed & int & Count of distinct products examined \\
product\_view\_depth & int & Repeat views of same products \\
\hline
\multicolumn{3}{l}{\textit{Conversion Funnel}} \\
cart\_adds & int & Number of items added to cart \\
purchases & int & Completed transactions \\
cart\_to\_view\_ratio & float & Ratio of cart additions to item views \\
conversion\_rate & float & Purchase to view conversion \\
\hline
\multicolumn{3}{l}{\textit{Interaction Quality}} \\
hover\_events & int & Mouse hover event count \\
hover\_intensity & float & Hover events per interaction \\
\hline
\multicolumn{3}{l}{\textit{Price Behavior}} \\
avg\_price\_seen & float & Mean price across viewed products \\
min\_price\_seen & float & Lowest price encountered \\
max\_price\_seen & float & Highest price encountered \\
price\_range & float & Difference between max and min prices seen \\
\hline
\multicolumn{3}{l}{\textit{Technical Fingerprinting}} \\
is\_headless & bool & Headless browser detection flag \\
is\_automation & bool & Automation framework detection flag \\
browser\_family & object & Browser type classification \\
\hline
\multicolumn{3}{l}{\textit{Experimental Labels}} \\
is\_agent & bool & Ground truth agent classification \\
xp\_human\_only & bool & Human-only experiment indicator \\
xp\_market\_mode & object & Market context (hotel/airline) \\
\hline
\end{tabular}%
}
\caption{Feature matrix schema for session-level behavioral classification (32 features total).}
\label{tab:features}
\end{table}