/
graph_helper.php
161 lines (125 loc) · 4.8 KB
/
graph_helper.php
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<?php
function get_candidate_properties($dbc, $subject_id, $object_id) {
$subject_type = get_type($dbc, $subject_id);
$object_type = get_type($dbc, $object_id);
return get_class_links($dbc, $subject_type, $object_type);
}
function get_class_links($dbc, $c1, $c2) {
$query = "select property from semantic_network where subject='$c1' and object = '$c2' order by count desc";
//echo $query;
$result = mysqli_query($dbc, $query) or die('Error querying database:' . $query);
$values = array();
while ($row = mysqli_fetch_array($result)) {
$value = $row[0];
array_push($values, $value);
}
return $values;
}
function get_type($dbc, $name) {
$types = get_types($dbc, $name);
if (count($types) == 0) {
return '事物';
} else {
return $types[0];
}
}
function get_types($dbc, $name) {
return get_property_values($dbc, $name, '类型');
}
function get_property_values($dbc, $subject, $property) {
$query = "select * from graph where subject='$subject' and property = '$property'";
$result = mysqli_query($dbc, $query) or die('Error querying database:' . $query);
$values = array();
while ($row = mysqli_fetch_array($result)) {
$value = $row[value];
array_push($values, $value);
}
return $values;
}
function get_ids($dbc, $name) {
$query = "select id from def where name = '$name'";
$result = mysqli_query($dbc, $query) or die('Error querying database1.');
$ids = array();
while ($row = mysqli_fetch_array($result)) {
$ids[] = $row[id];
}
return $ids;
}
function render_word($dbc, $db_name, $name, $with_def = false) {
$ids = get_ids($dbc, $name);
if (count($ids) != 0) {
$id = $ids[0];
return render_value($dbc, $db_name, $db_name . ':o' . $id, $with_def);
} else {
return $name;
}
}
function render_value($dbc, $db_name, $name, $with_def = false) {
if (strpos($name, $db_name . ':o') === 0) {
$id = str_replace($db_name . ':o', "", $name);
$query = "select * from def where id ='$id'";
$result = mysqli_query($dbc, $query) or die('Error querying database:' . $query);
if ($row = mysqli_fetch_array($result)) {
$pre_label = $row[name];
$def = $row[def];
$result = get_entity_link($id, get_type($dbc, $name) . ': ' . $pre_label, $db_name);
if (($with_def) && ($def != '')) {
$result .= ' <em><small>(' . tcmks_substr($def) . ')' . '</small></em>';
}
} else {
$result = $name;
}
} else {
$result = $name;
}
return $result;
}
function get_entity_link($id, $name, $db_name) {
return "<a target=\"_blank\" href=\"entity.php?id=$id&db_name=$db_name\">$name</a>";
}
/*
function render_value($dbc, $db_name, $name) {
if (strpos($name, $db_name . ':o') === 0) {
$id = str_replace($db_name . ':o', "", $name);
$query = "select * from def where id ='$id'";
$result = mysqli_query($dbc, $query) or die('Error querying database1.');
if ($row = mysqli_fetch_array($result)) {
$name = $row[name];
$def = $row[def];
$result = get_entity_link($id, $name, $db_name);
} else {
$result = $name;
}
} else {
$result = $name;
}
return $result;
} */
function render_triples_helper($dbc, $db_name, $subject, $object, $query) {
$result = mysqli_query($dbc, $query) or die('Error querying database:' . $query);
$row_num = 1;
$color = true;
while ($row = mysqli_fetch_array($result)) {
if ($color) {
echo '<tr>';
} else {
echo '<tr class="info">';
}
$color = !$color;
$no = $skip + ($row_num++);
//echo '<td width = "3%">' . $no . '</td>';
echo '<td>' . render_value($dbc, $db_name, $row['subject'], false) . '</td>';
echo '<td>' . $row['property'] . '</td>';
echo '<td>' . render_value($dbc, $db_name, $row['value'], false) . '</td>';
echo '</tr>';
}
}
function render_triples($dbc, $db_name, $subject, $object) {
$query = "SELECT * FROM graph where subject like '%" . $subject . "%' and value like '%" . $object . "%' limit 5";
render_triples_helper($dbc, $db_name, $subject, $object, $query);
$query = "SELECT * FROM graph where subject like '%" . $subject . "%' and value like '" . $db_name . ':o' . "%' limit 5";
render_triples_helper($dbc, $db_name, $subject, $object, $query);
$query = "SELECT * FROM graph where subject like '" . $db_name . ':o' . "%' and value like '%" . $object . "%' limit 5";
render_triples_helper($dbc, $db_name, $subject, $object, $query);
}
?>